Returns a single membership selected by `id`.
GET /api-openparlamento/v1/19/memberships_votes/15458857/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 15458857,
    "voting_slug": "vs19_641_001",
    "sitting": {
        "id": 2243,
        "date": "2026-04-09",
        "number": 641,
        "branch": "C"
    },
    "title": "DDL 2807-A - ODG 9/1 - Votazione Ordine del giorno 9/1 ",
    "vote": "AYE",
    "group": {
        "id": 13,
        "acronym": "M5S",
        "slug": "M5S",
        "branch": "camera",
        "name": "MOVIMENTO 5 STELLE",
        "color": "#EDAD06"
    },
    "group_vote": "AYE"
}