tx 0x3974f9b15dd37b94c97e7a9f0eafe2be17a3899be75b5c6aeb2efd0f8b4cca8eCopy

payload

{
  "ModifyOrder": {
    "new_size": 4258500,
    "order_id": 1765954,
    "new_price": null
  }
}