Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFLBpgH4a4AhnGYjO6Eoad79qW+/WTgHO5wEkdnY5BTwUgtFLQzwGjqZNmx… (844 chars)"
  }
}