tx 0x9e20bfcba4dc7a67d90434d6455a5e8e5e3a57ce8a9bcd0fa89b2fd9595cb943Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 3660202796,
    "order_id": 438808608,
    "new_price": 6654000000
  }
}