tx 0x19e0cce0e5b0a35be8021c2bdf51e86c8e15c6010e8d3b9c919eda61f9623a39Copy

payload

{
  "ModifyOrder": {
    "new_size": 156148649,
    "order_id": 56523176,
    "new_price": null
  }
}