header {
  gtfs_realtime_version: "2.0"
  timestamp: 1721971954
}
entity {
  id: "1"
  trip_update {
    trip {
      trip_id: "1751305"
      start_time: "00:50:00"
      start_date: "20240726"
      schedule_relationship: CANCELED
      route_id: "2X"
    }
    timestamp: 1721971944
  }
}