List all contacts of a specific contact category

{
  "total": 17449,
  "per_page": "2",
  "current_page": 1,
  "last_page": 8725,
  "next_page_url": "http://api.caag.server/api/contacts/categories/3/contacts?page=2",
  "prev_page_url": null,
  "from": 1,
  "to": 2,
  "data": [
    {
      "id": 1,
      "label": "nadin yamaui",
      "entity": "person",
      "first_name": "nadin",
      "last_name": "yamaui",
      "gender": null,
      "birthdate": null,
      "birthdate_day": 1,
      "birthdate_month": 1,
      "birthdate_year": null,
      "birthplace": null,
      "nationality": null,
      "address": null,
      "address_2": null,
      "last_rental": null,
      "city": null,
      "state": null,
      "zip": null,
      "county": null,
      "country": null,
      "email": "nadinyamaui@correo.unimet.edu.ve",
      "website": null,
      "phone_number": "",
      "created_by": 1,
      "updated_by": 1,
      "deleted_at": null,
      "created_at": "2015-11-02 00:49:02",
      "updated_at": "2015-11-11 08:44:35",
      "driver_license": {
        "items": {
          "1": {
            "type": "national_id",
            "id": "",
            "number": "",
            "expires_on": "",
            "file_id": ""
          }
        }
      },
      "f64": null,
      "phone_alternative": null,
      "email_alternative": null,
      "street": null,
      "street2": null,
      "housenumber": null,
      "suburb": null,
      "identification": null,
      "pivot": {
        "category_id": 3,
        "contact_id": 1,
        "deleted_at": null
      }
    },
    {
      "id": 2,
      "label": "Laura Kapinga",
      "entity": "person",
      "first_name": "Laura",
      "last_name": "Kapinga",
      "gender": null,
      "birthdate": null,
      "birthdate_day": 1,
      "birthdate_month": 1,
      "birthdate_year": null,
      "birthplace": null,
      "nationality": null,
      "address": null,
      "address_2": null,
      "last_rental": null,
      "city": null,
      "state": null,
      "zip": null,
      "county": null,
      "country": null,
      "email": null,
      "website": null,
      "phone_number": null,
      "created_by": 121,
      "updated_by": 121,
      "deleted_at": null,
      "created_at": "2015-11-03 11:12:04",
      "updated_at": "2015-12-29 10:36:16",
      "driver_license": {
        "items": {
          "1": {
            "type": "national_id",
            "id": "4",
            "number": "321321",
            "expires_on": "",
            "file_id": ""
          }
        }
      },
      "f64": null,
      "phone_alternative": null,
      "email_alternative": null,
      "street": null,
      "street2": null,
      "housenumber": null,
      "suburb": null,
      "identification": null,
      "pivot": {
        "category_id": 3,
        "contact_id": 2,
        "deleted_at": null
      }
    }
  ]
}