tx 0x822a19eeeb6e3621ebfab0d41f004d37b295f9595a5fa8da99e0f9d186004e30Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 6378871984,
    "order_id": 377687843,
    "new_price": 6558000000
  }
}