curl --request GET \
  --url https://api.example.com/api/v1/users/{user_id}/summaries/data \
  --header 'Authorization: Bearer <token>'

{
  "user_id": "<string>",
  "total_data_points": 123,
  "total_workouts": 123,
  "total_sleep_events": 123,
  "series_type_counts": {},
  "workout_type_counts": {},
  "by_provider": [
    {
      "provider": "<string>",
      "data_points": 123,
      "series_counts": {},
      "workout_count": 123,
      "sleep_count": 123
    }
  ]
}