Example response

{
  "data": {
    "id": 10,
    "nonbusiness_group_id": 504,
    "name": "Tag der deutschen Einheit",
    "half_day": true,
    "surcharge_special": true,
    "special_id": 64,
    "evaluated_date": "2021-10-03",
    "day": 3,
    "month": 10,
    "year": 2021
  }
}