Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHJj/V0lDbFtI58Ays/rwOeXtOOlQhBqHqUS6ZAY1dDcG6/MzRZB4JSXwlH… (844 chars)"
  }
}