tx 0x7dc7628afc12d905857aebc7129497ebff4ceaa6b94b9b4a897f1fc90b433f30Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 3888328065,
    "order_id": 388375041,
    "new_price": 6409000000
  }
}