tx 0x79b7d20a9bdc02f5a1088f2996d9746b31a9f1e1263a777300fedde8ecf5d508Copy

order would be filled (post-only rejected)

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