tx 0xf5deab0e23ab813d5fe91aa3cc991f45514698fc3a8cba48abe1d2fb906a0e1fCopy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 3887646856,
    "order_id": 388375041,
    "new_price": 6421000000
  }
}