{
  "id": "<string>",
  "owner_id": "<string>",
  "file_id": "<string>",
  "metadata_json": {},
  "status": "PENDING",
  "total_tasks": 123,
  "completed_tasks": 123,
  "start_time": 123,
  "update_time": 123,
  "end_time": 123
}