Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHrt0E+RqrAJ4R/FqHKHYKiz5yfJk0nZRsCRjWDeXYxCHMk8MF8VgMxUktM… (844 chars)"
  }
}