{
  "first_name": "Jane",
  "last_name": "Smith",
  "email": "user@example.com",
  "date_of_birth": "1990-01-15",
  "nationality": "DE",
  "address": {
    "street": "Unter den Linden 1",
    "additional_line": "example-string",
    "city": "Berlin",
    "postal_code": "10117",
    "state": "BE",
    "country": "DE"
  }
}