{
  "ended": true,
  "start": {
     "from": timeInMilliMinusOneMonth,
     "to": timeInMilli
  },
  "end": {
     "from": timeInMilliMinusOneMonth,
     "to": timeInMilli
  },
  "messageContentTypes":["HOSTED_FILE","IMG"],
  "contentToRetrieve":["summary"]
}