Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwA8MwFFw8ZsWfgwDhMdodMcv1HcXN/WSs7l2Y+uDmhn/CJSe8wUPXijaGrY… (844 chars)"
  }
}