cinder/api-ref/source/v3/samples/group-snapshots-create-response.json

{
    "group_snapshot": {
        "id": "6f519a48-3183-46cf-a32f-41815f816666",
        "name": "first_group_snapshot",
        "group_type_id": "58737af7-786b-48b7-ab7c-2447e74b0ef4"
    }
}