tx 0x878991002688824ed987fdc9f8c8e1c59f01ff6b4bd5c66e06a485b9c7e8ddccCopy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 3927143537,
    "order_id": 388375041,
    "new_price": 6322000000
  }
}