tx 0x77c9518c89b8de283ef51911634fa6841c76170eb6d33799ce8e1fe1e864d6a0Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 3832370250,
    "order_id": 388375041,
    "new_price": 6518000000
  }
}