Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEbq1IpQmkG/9G3pzaVOW95vImZYUo7MT8+0CdfiV9Ppnl4j8bZ5z1eMvtw… (844 chars)"
  }
}