tx 0xdfa9bb4454faa9b9b7be0b58961e5830692ccab9627475efa4d320fa4af5b7ccCopy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 3917206021,
    "order_id": 388375041,
    "new_price": 6401000000
  }
}