Returns a single membership selected by `id`.
GET /api-openparlamento/v1/19/memberships_votes/8609642/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 8609642,
    "voting_slug": "19-79-327",
    "sitting": {
        "id": 1439,
        "date": "2023-06-21",
        "number": 79,
        "branch": "S"
    },
    "title": "DL 48/2023 - Lavoro - Em. 40.14, Sbrollini",
    "vote": "AYE",
    "group": {
        "id": 5,
        "acronym": "PD-IDP",
        "slug": "PD",
        "branch": "senato",
        "name": "Partito Democratico - Italia Democratica e Progressista",
        "color": "#E43B45"
    },
    "group_vote": "AYE"
}