tx 0x38ea27b4d7f6445dede6a413d10d5ffff1bab103472a39c458091869e586f489Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 3907430417,
    "order_id": 388375041,
    "new_price": 6420000000
  }
}