{"period": {
  "identifier": "cal_2014",
  "label": "2014",
  "startDate": "2014-01-01T00:00:00",
  "endDate": "2014-12-31T23:59:59",
  "periodType": {
    "identifier": "CalendarYear",
    "label": "Calendar year",
    "frequency": "Annually"
  }
}}