Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGznuMQBHvXSZIbwIAnLIbmkOgTXdL7zYFH8hDxVQrPbQz8SVlB/oDZndBd… (844 chars)"
  }
}