tx 0xf3aa4f907dd6064e9b41122a66d2059cdf8976d3e12214c975d4043ccb536fcdCopy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 3887721651,
    "order_id": 388375041,
    "new_price": 6410000000
  }
}