tx 0x685ec2ab83d6f8a5dd44b03a2ed7255bde09ece729989af6e933905b9eb3a919Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 6374025553,
    "order_id": 377687843,
    "new_price": 6566000000
  }
}