{
  "name": "os",
  "query": {
    "start-date": "90daysAgo",
    "end-date": "yesterday",
    "dimensions": "ga:date,ga:operatingSystem",
    "metrics": [
      "ga:sessions"
    ],
    "sort": [
      "ga:date"
    ],
    "start-index": 1,
    "max-results": 10000,
    "samplingLevel": "HIGHER_PRECISION"
  },
  "meta": {
    "names": "Operating Systems",
    "description": "90 days of visits, broken down by operating system and date, for all sites."
  },
  "totals": {}
}