tx 0x51fe37dd4dac5c20736c8f7733ec364d6c956783fdc28e3f930488f8d58dc2feCopy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 6552372882,
    "order_id": 388157274,
    "new_price": 6320000000
  }
}