Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFBCt8XcE9A49rlMbLcvXl/XcN8AYgYlSD2fPozTJPf0wNd0LZh9ML1OvsN… (844 chars)"
  }
}