{
"ballot_id": "2026-demo-general",
"room": "412",
"voter_name": "佐藤美咲",
"voting_rights": 6793,
"type": "proxy_named",
"delegate_room": "201",
"delegate_name": "山田太郎",
"votes": {
"1": "agree",
"2": "disagree",
"3": "blank"
},
"cast_at": "2026-06-18T09:30:00+09:00"
}