tx 0xd41acae75da9d434efdad459a7169fcf8961f9c851dcefd8a1e1eac7ab981a31Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 3917796611,
    "order_id": 388375041,
    "new_price": 6339000000
  }
}