[
  {
    "id": "1787488821448",
    "name": "test",
    "email": "test.tst@gmail.com",
    "phone": "0708193762",
    "geburtsdatum": "2026-08-23",
    "eintrittsdatum": "2018-08-23",
    "gürtelgrad": "1. Dan",
    "aktiv": true,
    "notizen": "Ist ein Test",
    "imageUrl": "/images/uploads/1787549790917.jpg"
  }
]