Example response

{
  "paging": {
    "items_per_page": 1000,
    "current_page": 1,
    "count_pages": 1,
    "count_items": 4
  },
  "data": [
    {
      "users_id": 10,
      "days": [
        {
          "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
        }
      ]
    }
  ]
}