Returns a single membership selected by `id`.
GET /api-openparlamento/v1/19/memberships_votes/13231220/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 13231220,
    "voting_slug": "vs19_449_055",
    "sitting": {
        "id": 1942,
        "date": "2025-03-18",
        "number": 449,
        "branch": "C"
    },
    "title": "Emendamento 1-quater.3 BONELLI ANGELO (AVS) - Votazione Emendamento 1-quater.3 DDL n. 2285",
    "vote": "AYE",
    "group": {
        "id": 18,
        "acronym": "AVS",
        "slug": "AVS",
        "branch": "camera",
        "name": "ALLEANZA VERDI E SINISTRA",
        "color": "#66FF3F"
    },
    "group_vote": "AYE"
}