Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBZcI+tYtwdPRfqbnYvQdiaJj+dtJGVWV9+cQOt4p4jTi1JNdIKGcI6uf8y… (844 chars)"
  }
}