Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwB/7eHHSJBzJcw4cZ8G3TWGtmOWvoFkjvCpPpTxINBWzn8yvx9X6c7tyJMf… (844 chars)"
  }
}