Returns a single membership selected by `id`.
GET /api-openparlamento/v1/19/memberships_votes/15457849/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 15457849,
    "voting_slug": "19-405-4",
    "sitting": {
        "id": 2240,
        "date": "2026-04-01",
        "number": 405,
        "branch": "S"
    },
    "title": "Mozione n. 178, Calenda e altri, sulle misure per contenere l'innalzamento del costo della vita",
    "vote": "ABSE",
    "group": {
        "id": 7,
        "acronym": "Misto",
        "slug": "Misto",
        "branch": "senato",
        "name": "Misto",
        "color": "#B4B4B4"
    },
    "group_vote": "AYE"
}