{
  "fixture": "V19-workshop-timer-rundown-r1",
  "timezone": "Asia/Tokyo",
  "starts_at": "13:00",
  "ends_at": "14:00",
  "stage_order": ["intro", "practice", "break", "share", "qa"],
  "stage_seconds": [300, 1200, 300, 1200, 600],
  "total_seconds": 3600,
  "synthetic": true
}