Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEMY5SyxCaCqKibJ6ujWsxiQ0FsDiYh5WQT7TsIpOY2FFDjYo5Mle/6RvuH… (844 chars)"
  }
}