tx 0x9e971731a5bac715d4cde2819ba47d328f7c0cf4be1bae8a6ff33b80809e234aCopy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 6478242715,
    "order_id": 388157274,
    "new_price": 6417000000
  }
}