tx 0x6458039d32c65d22d55af9d7314eb91820b27884bea3e9af8529db18bd5f48b8Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 3907430417,
    "order_id": 388375041,
    "new_price": 6421000000
  }
}