tx 0x5ef4d9cd78a8d6476409f1ec0ae2c8a98e18ae67c3afca3ec0e3e9c7c33f6d9eCopy

payload

{
  "ModifyOrder": {
    "new_size": 520995604,
    "order_id": 10599758,
    "new_price": null
  }
}