Returns a single membership selected by `id`.
GET /api-openparlamento/v1/19/memberships_votes/15440259/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 15440259,
    "voting_slug": "vs19_638_043",
    "sitting": {
        "id": 2236,
        "date": "2026-04-01",
        "number": 638,
        "branch": "C"
    },
    "title": "DDL 1704-A - VOTO FINALE - Votazione finale ",
    "vote": "MIS",
    "group": {
        "id": 17,
        "acronym": "NM(N-C-U-I)-M",
        "slug": "NM",
        "branch": "camera",
        "name": "NOI MODERATI",
        "color": "#704070"
    },
    "group_vote": "AYE"
}