list: Return the status of a particular voter's registration.

GET /api/registrations/?format=api
HTTP 400 Bad Request
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "first_name": [
        "This field is required."
    ],
    "last_name": [
        "This field is required."
    ],
    "birth_date": [
        "This field is required."
    ],
    "zip_code": [
        "This field is required."
    ]
}