{ "type": "device_updated", "device": { "id": "019a36f0-7b00-7000-8000-000000000001", "name": "Pixel 9", "platform": "android", "createdAt": "2026-10-30T12:00:00.000Z", "lastSeenAt": "2026-10-30T12:05:00.000Z", "online": true } }