tx 0x0f84c7b929657ad8d0335be37cda6971de4cd2c797731ad0beb735115584422fCopy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 6391205337,
    "order_id": 388157274,
    "new_price": 6518000000
  }
}