tx 0x5a9c8bb7c8fae5a7dd9db907a954d1ca3e20de35d5fb9fbcb15bbd6eb6a1a13fCopy

payload

{
  "ModifyOrder": {
    "new_size": 1203479,
    "order_id": 2682526,
    "new_price": null
  }
}