tx 0x874d753b3b1c3908d2c241f4f3f295c5baa0a8b70b1cb3d0966a9c7358911b9cCopy

payload

{
  "ModifyOrder": {
    "new_size": 486310,
    "order_id": 31446509,
    "new_price": null
  }
}