Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQFA+62X9THGSWllEaQXIYnpgJzgbTMRAeA8wF+PbWceGlkTJpQLm0Q9JdqK… (1,748 chars)"
  }
}