tx 0x4e5d9e1a4f71b2ac64ac58bfdf2e3139a8e3c997ba2f9f1d999294a19634678bCopy

payload

{
  "ModifyOrder": {
    "new_size": 12976122,
    "order_id": 51438216,
    "new_price": null
  }
}