tx 0x8372579490c9e5a3df312f87ac9c64e9b3883fbbaeba31a208fda381d9874baeCopy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 6549379819,
    "order_id": 388157274,
    "new_price": 6321000000
  }
}