curl --request GET \
  --url https://api.xem.email/api/v1/api/v1/analytics/team/overview

{
  "averageClickRate": 123,
  "averageOpenRate": 123,
  "deviceStats": {},
  "geoStats": {},
  "monthlyStats": [
    {
      "clickRate": 123,
      "month": "<string>",
      "openRate": 123,
      "totalEmails": 123
    }
  ],
  "topCampaigns": [
    {
      "campaignId": "<string>",
      "clickRate": 123,
      "engagementScore": 123,
      "name": "<string>",
      "openRate": 123
    }
  ],
  "topPerformers": [
    {
      "engagementRate": 123,
      "sampleSize": 123,
      "type": "<string>",
      "value": "<string>"
    }
  ],
  "totalClicks": 123,
  "totalEmails": 123,
  "totalOpens": 123
}