Returns a single membership selected by `id`.
GET /api-openparlamento/v1/19/memberships_votes/7701732/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 7701732,
    "voting_slug": "19-56-176",
    "sitting": {
        "id": 1347,
        "date": "2023-04-13",
        "number": 56,
        "branch": "S"
    },
    "title": "Em. 47.216, Naturale e altri",
    "vote": "AYE",
    "group": {
        "id": 4,
        "acronym": "M5S",
        "slug": "M5S",
        "branch": "senato",
        "name": "MoVimento 5 Stelle",
        "color": "#EDAD06"
    },
    "group_vote": "AYE"
}