fix data output of mixpanel
fix data output of mixpanel

total-impact/impactstory-analytics,total-impact/impactstory-analytics,Impactstory/impactstory-analytics,total-impact/impactstory-analytics,Impactstory/impactstory-analytics,total-impact/impactstory-analytics,Impactstory/impactstory-analytics,Impactstory/impactstory-analytics