                  "document": "canonicalUrl=${canonicalUrl}&title=${title}&documentReferrer=${documentReferrer}",
                    "client": "&clientId=${clientId}",
                    "time": "&timestamp=${timestamp}&timezone=${timezone}",
                    "scroll": "&scrollTop=${scrollTop}&scrollHeight=${scrollHeight}",
                    "screen": "&screenHeight=${screenHeight}&screenWidth=${screenWidth}"
                },
                "triggers": {
                    "defaultPageview": {
  