tx 0x9b2b2fb73a71a49b95d44c0c8fea2e0a56b6132b89d6e9265600f38471b7f4d5Copy

payload

{
  "ModifyOrder": {
    "new_size": 550100,
    "order_id": 20270296,
    "new_price": null
  }
}