tx 0x9c58a4fe3375a5e9f0318431cff749006b8e8c8218af95b7e5e5c3dcc9c5a9b9Copy

payload

{
  "ModifyOrder": {
    "new_size": 400993894,
    "order_id": 12350538,
    "new_price": null
  }
}