Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwG/swf2iMf6ZV1SIxlx69acvVfXwMi9o/TF6Pv+fqK6RyBvGgx8Zw0hIpBu… (844 chars)"
  }
}