tx 0x6fda57ff3384d83383e33f48cbfd49d8d13568328b5225d57b1b8e626bd8561aCopy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 3865298615,
    "order_id": 388375041,
    "new_price": 6421000000
  }
}