tx 0x12d3f7d8bb470d647dda0945d59019ddb1877a3c5d2b2d2c1e4c8d8de3be0fc6Copy

payload

{
  "ModifyOrder": {
    "new_size": 17838983,
    "order_id": 12090980,
    "new_price": null
  }
}