curl --request POST \
  --url https://apix.us.amity.co/api/v1/analytics/activities \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "activities": [
    {
      "contentId": "60e4b1b4b3b2b5c4c4b3b2b5",
      "contentType": "post",
      "activityType": "view",
      "timestamp": "2017-07-21T17:32:28Z"
    }
  ]
}
'

{
  "status": "error",
  "code": 400000,
  "message": "Bad Request."
}