tx 0x673cc377f9d70d70ac356f985740fa33d9e915431b7580ee37473b73244926dcCopy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 3865298615,
    "order_id": 388375041,
    "new_price": 6420000000
  }
}