tx 0x3fb4d5f208b5c1cee946d2e7f435f9b4539b773262acbedf1904a41e1f645689Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 2350690587,
    "order_id": 388381285,
    "new_price": 6403000000
  }
}