curl --request GET \
  --url https://api.production.hyperoru.com/api/system/hyperliquid/backfill/status \
  --header 'Authorization: Bearer <token>'

{
  "exchange": "<string>",
  "status": "<string>",
  "progress": 123,
  "rows_written": 123,
  "task_id": "<string>",
  "updated_at": "<string>"
}