tx 0x4d5f9ff69797f86dd6b1c88a4b4ba67c00c025e05c09b3e7c3b1eb15f3cabeffCopy

payload

{
  "ModifyOrder": {
    "new_size": 4515441,
    "order_id": 67278268,
    "new_price": null
  }
}