tx 0x4d6e04fdf9ec864194941a3e7fb22bd3e0db77dda0ec183a8a470b0bb3b3bafeCopy

payload

{
  "ModifyOrder": {
    "new_size": 7666360,
    "order_id": 404008132,
    "new_price": 6378000000
  }
}