tx 0x5dcd78f386112f1f10734e031f2174413c8e4a3266a6db2b01ffda4c8f4daa1fCopy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 6545239228,
    "order_id": 388157274,
    "new_price": 6321000000
  }
}