Returns a single membership selected by `id`.
GET /api-openparlamento/v1/19/memberships_votes/15350353/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 15350353,
    "voting_slug": "vs19_617_008",
    "sitting": {
        "id": 2205,
        "date": "2026-02-17",
        "number": 617,
        "branch": "C"
    },
    "title": "PROPOSTA N 7 - Votazione ",
    "vote": "NO",
    "group": {
        "id": 18,
        "acronym": "AVS",
        "slug": "AVS",
        "branch": "camera",
        "name": "ALLEANZA VERDI E SINISTRA",
        "color": "#66FF3F"
    },
    "group_vote": "NO"
}