Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFLnaPWyFDGF6eaGBsRhaO8LZYqtIjMw1OUTdzclzG5KCsOXkxpfK1xyhZ5… (844 chars)"
  }
}