tx 0x1c169e4c567e685afb0d1a505be9bfb8d2d903b0acf4fbfe7f69b7be8a5f68a0Copy

payload

{
  "ModifyOrder": {
    "new_size": 18931659,
    "order_id": 637170,
    "new_price": null
  }
}