{"api_version":"v1","generated_at":1779306520563,"count":4,"digests":[{"date":"2026-05-20","conference":null,"study_count":2,"site_count":2},{"date":"2026-05-19","conference":null,"study_count":3,"site_count":3},{"date":"2026-05-18","conference":null,"study_count":9,"site_count":7},{"date":"2026-05-17","conference":null,"study_count":18,"site_count":5}]}