curl --request GET \
  --url http://localhost:8888/v1/contacts/{id} \
  --header 'Authorization: Bearer <token>'

{
  "created_at": "2023-11-07T05:31:56Z",
  "id": 1,
  "updated_at": "2023-11-07T05:31:56Z",
  "address": {
    "addition": "<string>",
    "building": "<string>",
    "city": "<string>",
    "country": "<string>",
    "county": "<string>",
    "door": "<string>",
    "floor": "<string>",
    "house_number": "<string>",
    "id": 1,
    "infos": "<string>",
    "latitude": "<string>",
    "longitude": "<string>",
    "postal_code": "<string>",
    "state": "<string>",
    "street": "<string>"
  },
  "age_category": 1,
  "birth_city": "<string>",
  "birth_country": "<string>",
  "birthdate": "2023-11-07T05:31:56Z",
  "black_list": true,
  "custom_fields": [
    {
      "data": "<string>",
      "form_id": 1,
      "form_ref_id": 1,
      "id": 1
    }
  ],
  "firstname": "<string>",
  "formdatas": [
    {
      "data": "<string>",
      "form_id": 1,
      "form_ref_id": 1,
      "id": 1,
      "date": "2023-11-07T05:31:56Z",
      "survey_id": 1
    }
  ],
  "mail": "jsmith@example.com",
  "mobile": "<string>",
  "mobile_invalid": true,
  "nationality": "<string>",
  "phone": "<string>",
  "phone_invalid": true,
  "surname": "<string>",
  "tags": [
    {
      "name": "<string>"
    }
  ]
}