tx 0xb1386b223f0dfda2e540e01c35c82a83331cc2d73004d2aa0a3b59e8b3c1e352Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 3930180985,
    "order_id": 388375041,
    "new_price": 6323000000
  }
}