tx 0xc5b5852be75fd45d8c7f0fef4587c8502d619e73bcb8700a162b323bf3acef52Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 6438154920,
    "order_id": 388157274,
    "new_price": 6415000000
  }
}