[
  {
    "number": "-1",
    "name": "Max Mustermann",
    "address": "Max Mustermann\nMusterstrasse 1\n70000 Berlin",
    "email": "max@example.org",
    "join_date": "2014-09-01",
    "leave_date": "",
    "payment_type": "transfer",

    "sepa__iban": null,
    "sepa__mandate_reason": "shack e.V. Mitgliedsbeitrag ID -1",
    "sepa__zip_code": null,
    "sepa__country": "Deutschland",
    "sepa__city": null,
    "sepa__bic": null,
    "sepa__address": null,
    "sepa__fullname": null,
    "sepa__issue_date": null,
    "sepa__institute": null,
    "sepa__mandate_reference": "SHACKEVBEITRAGID-1",

    "profile__birth_date": "",
    "profile__nick": "max",
    "profile__phone_number": "",

    "memberships": [
      {
        "membership_start": "2014-09-01",
        "membership_fee_monthly": "20.00",
        "membership_type": "full",
        "membership_fee_interval": 1
      }
    ],

    "bank_transactions": [
      {
        "amount": "40.00",
        "booking_date": "2014-10-13",
        "reference": "Mustermann",
        "transaction_owner": null,
        "debitor_id": "None"
      },
      {
        "amount": "20.00",
        "booking_date": "2014-10-27",
        "reference": "Muustermann",
        "transaction_owner": "",
        "debitor_id": "None"
      },
      {
        "amount": "20.00",
        "booking_date": "2014-11-27",
        "reference": "Mustermann",
        "transaction_owner": null,
        "debitor_id": "None"
      },
      {
        "amount": "20.00",
        "booking_date": "2014-12-29",
        "reference": "Mustermann",
        "transaction_owner": null,
        "debitor_id": "None"
      },
      {
        "amount": "20.00",
        "booking_date": "2015-01-27",
        "reference": "Mustermann",
        "transaction_owner": null,
        "debitor_id": "None"
      },
      {
        "amount": "20.00",
        "booking_date": "2015-02-27",
        "reference": "Mustermann",
        "transaction_owner": null,
        "debitor_id": "None"
      },
      {
        "amount": "20.00",
        "booking_date": "2015-03-27",
        "reference": "Mustermann",
        "transaction_owner": null,
        "debitor_id": "None"
      },
      {
        "amount": "20.00",
        "booking_date": "2015-04-27",
        "reference": "Mustermann",
        "transaction_owner": null,
        "debitor_id": "None"
      },
      {
        "amount": "20.00",
        "booking_date": "2015-05-26",
        "reference": "Mustermann",
        "transaction_owner": null,
        "debitor_id": "None"
      },
      {
        "amount": "20.00",
        "booking_date": "2015-06-29",
        "reference": "Mustermann",
        "transaction_owner": null,
        "debitor_id": "None"
      },
      {
        "amount": "20.00",
        "booking_date": "2015-07-23",
        "reference": "Mustermann",
        "transaction_owner": null,
        "debitor_id": "None"
      },
      {
        "amount": "20.00",
        "booking_date": "2015-08-27",
        "reference": "Mustermann",
        "transaction_owner": null,
        "debitor_id": "None"
      },
      {
        "amount": "20.00",
        "booking_date": "2015-09-28",
        "reference": "Mustermann",
        "transaction_owner": null,
        "debitor_id": "None"
      },
      {
        "amount": "20.00",
        "booking_date": "2015-10-27",
        "reference": "Mustermann",
        "transaction_owner": null,
        "debitor_id": "None"
      },
      {
        "amount": "20.00",
        "booking_date": "2015-11-27",
        "reference": "Mustermann",
        "transaction_owner": null,
        "debitor_id": "None"
      },
      {
        "amount": "20.00",
        "booking_date": "2015-12-28",
        "reference": "Mustermann",
        "transaction_owner": null,
        "debitor_id": "None"
      },
      {
        "amount": "20.00",
        "booking_date": "2016-01-27",
        "reference": "Mitgliedsbeitrag ID -1              ",
        "transaction_owner": "Max Mustermann",
        "debitor_id": "None"
      },
      {
        "amount": "20.00",
        "booking_date": "2016-02-29",
        "reference": "Mitgliedsbeitrag ID -1              ",
        "transaction_owner": "Max Mustermann",
        "debitor_id": "None"
      },
      {
        "amount": "20.00",
        "booking_date": "2016-03-29",
        "reference": "Mitgliedsbeitrag ID -1              ",
        "transaction_owner": "Max Mustermann",
        "debitor_id": "None"
      },
      {
        "amount": "20.00",
        "booking_date": "2016-04-27",
        "reference": "Mitgliedsbeitrag ID -1              ",
        "transaction_owner": "Max Mustermann",
        "debitor_id": "None"
      },
      {
        "amount": "20.00",
        "booking_date": "2016-05-27",
        "reference": "Mitgliedsbeitrag ID -1              ",
        "transaction_owner": "Max Mustermann",
        "debitor_id": "None"
      },
      {
        "amount": "20.00",
        "booking_date": "2016-06-27",
        "reference": "Mitgliedsbeitrag ID -1              ",
        "transaction_owner": "Max Mustermann",
        "debitor_id": "None"
      },
      {
        "amount": "20.00",
        "booking_date": "2016-07-27",
        "reference": "Mitgliedsbeitrag ID -1              ",
        "transaction_owner": "Max Mustermann",
        "debitor_id": "None"
      },
      {
        "amount": "20.00",
        "booking_date": "2016-08-29",
        "reference": "Mitgliedsbeitrag ID -1              ",
        "transaction_owner": "Max Mustermann",
        "debitor_id": "None"
      },
      {
        "amount": "20.00",
        "booking_date": "2016-09-27",
        "reference": "Mitgliedsbeitrag ID -1              ",
        "transaction_owner": "Max Mustermann",
        "debitor_id": "None"
      },
      {
        "amount": "20.00",
        "booking_date": "2016-11-28",
        "reference": "Mitgliedsbeitrag ID -1              ",
        "transaction_owner": "Max Mustermann",
        "debitor_id": "None"
      },
      {
        "amount": "20.00",
        "booking_date": "2016-10-27",
        "reference": "Mitgliedsbeitrag ID -1              ",
        "transaction_owner": "Max Mustermann",
        "debitor_id": "None"
      },
      {
        "amount": "20.00",
        "booking_date": "2016-12-27",
        "reference": "Mitgliedsbeitrag ID -1              ",
        "transaction_owner": "Max Mustermann",
        "debitor_id": "None"
      },
      {
        "amount": "20.00",
        "booking_date": "2017-02-27",
        "reference": "Mitgliedsbeitrag ID -1              ",
        "transaction_owner": "Max Mustermann",
        "debitor_id": "None"
      },
      {
        "amount": "20.00",
        "booking_date": "2017-01-27",
        "reference": "Mitgliedsbeitrag ID -1              ",
        "transaction_owner": "Max Mustermann",
        "debitor_id": "None"
      },
      {
        "amount": "20.00",
        "booking_date": "2017-03-27",
        "reference": "Mitgliedsbeitrag ID -1              ",
        "transaction_owner": "Max Mustermann",
        "debitor_id": "None"
      }
    ],
    "account_transactions": [
      {
        "amount": "-20.00",
        "booking_date": "2017-01-25",
        "payment_reference": "Mitgliedsbeitragsforderung 12/2018 ID -1",
        "transaction_type": "membership fee",
        "booking_type": "fee_claim",
        "due_date": "2018-12-01"
      },
      {
        "amount": "-20.00",
        "booking_date": "2017-01-25",
        "payment_reference": "Mitgliedsbeitragsforderung 11/2018 ID -1",
        "transaction_type": "membership fee",
        "booking_type": "fee_claim",
        "due_date": "2018-11-01"
      },
      {
        "amount": "-20.00",
        "booking_date": "2017-01-25",
        "payment_reference": "Mitgliedsbeitragsforderung 10/2018 ID -1",
        "transaction_type": "membership fee",
        "booking_type": "fee_claim",
        "due_date": "2018-10-01"
      },
      {
        "amount": "-20.00",
        "booking_date": "2017-01-25",
        "payment_reference": "Mitgliedsbeitragsforderung 9/2018 ID -1",
        "transaction_type": "membership fee",
        "booking_type": "fee_claim",
        "due_date": "2018-09-01"
      },
      {
        "amount": "-20.00",
        "booking_date": "2017-01-25",
        "payment_reference": "Mitgliedsbeitragsforderung 8/2018 ID -1",
        "transaction_type": "membership fee",
        "booking_type": "fee_claim",
        "due_date": "2018-08-01"
      },
      {
        "amount": "-20.00",
        "booking_date": "2017-01-25",
        "payment_reference": "Mitgliedsbeitragsforderung 7/2018 ID -1",
        "transaction_type": "membership fee",
        "booking_type": "fee_claim",
        "due_date": "2018-07-01"
      },
      {
        "amount": "-20.00",
        "booking_date": "2017-01-25",
        "payment_reference": "Mitgliedsbeitragsforderung 6/2018 ID -1",
        "transaction_type": "membership fee",
        "booking_type": "fee_claim",
        "due_date": "2018-06-01"
      },
      {
        "amount": "-20.00",
        "booking_date": "2017-01-25",
        "payment_reference": "Mitgliedsbeitragsforderung 5/2018 ID -1",
        "transaction_type": "membership fee",
        "booking_type": "fee_claim",
        "due_date": "2018-05-01"
      },
      {
        "amount": "-20.00",
        "booking_date": "2017-01-25",
        "payment_reference": "Mitgliedsbeitragsforderung 4/2018 ID -1",
        "transaction_type": "membership fee",
        "booking_type": "fee_claim",
        "due_date": "2018-04-01"
      },
      {
        "amount": "-20.00",
        "booking_date": "2017-01-25",
        "payment_reference": "Mitgliedsbeitragsforderung 3/2018 ID -1",
        "transaction_type": "membership fee",
        "booking_type": "fee_claim",
        "due_date": "2018-03-01"
      },
      {
        "amount": "-20.00",
        "booking_date": "2017-01-25",
        "payment_reference": "Mitgliedsbeitragsforderung 2/2018 ID -1",
        "transaction_type": "membership fee",
        "booking_type": "fee_claim",
        "due_date": "2018-02-01"
      },
      {
        "amount": "-20.00",
        "booking_date": "2017-01-25",
        "payment_reference": "Mitgliedsbeitragsforderung 1/2018 ID -1",
        "transaction_type": "membership fee",
        "booking_type": "fee_claim",
        "due_date": "2018-01-01"
      },
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        "amount": "-20.00",
        "booking_date": "2016-06-04",
        "payment_reference": "Mitgliedsbeitragsforderung 12/2017 ID -1",
        "transaction_type": "membership fee",
        "booking_type": "fee_claim",
        "due_date": "2017-12-01"
      },
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        "amount": "-20.00",
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        "booking_type": "fee_claim",
        "due_date": "2017-11-01"
      },
      {
        "amount": "-20.00",
        "booking_date": "2016-06-04",
        "payment_reference": "Mitgliedsbeitragsforderung 10/2017 ID -1",
        "transaction_type": "membership fee",
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      },
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        "amount": "-20.00",
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        "payment_reference": "Mitgliedsbeitragsforderung 9/2017 ID -1",
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        "payment_reference": "Mitgliedsbeitrag ID -1              ",
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        "payment_reference": "Mitgliedsbeitrag ID -1              ",
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        "transaction_type": "membership fee",
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        "due_date": "2015-12-28"
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