Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHrc6YiGzB+4H2J+F3M+KZYTr8OH4c7Tb38ZZFI1FqDZAg0zvAJm4nJ9wYi… (844 chars)"
  }
}