Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCpfeAKTz13xmr2JmkPi7E/UDIYmIUtgZxZeLx9Ln5ITxVuDG4h3l1c/G3x… (844 chars)"
  }
}