group_by_count_duration_gran.json

{
   "queryType":"groupBy",
   "dataSource":"wikipedia",
   "granularity":{"type": "duration", "duration": "129600000"},
   "dimensions":[
      "language"
   ],
   "aggregations":[
      {
         "type":"count",
         "name":"count"
      }
   ],
   "intervals":[
      "2013-06-01T00:00/2020-01-01T00"
   ]
}