{"name":"Waterworks Festival","type":"festival","slug":"waterworks-festival","mention_count":3,"first_seen":"2026-02-10","last_seen":"2026-05-12","quarterly_counts":[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,1,0],"events":[{"date":"2026-05-12","headline":"London's Waterworks Festival relocates to The Cause from Gunnersbury Park","source":"RA","event_type":"venue_event","newsletter_url":"https://www.imsindustryinsider.com/newsletter/2026-05-12"},{"date":"2026-02-24","headline":"London's Waterworks Festival reveals full lineup for first two-day edition","source":"Skiddle","event_type":"festival_lineup","newsletter_url":"https://www.imsindustryinsider.com/newsletter/2026-02-24"},{"date":"2026-02-10","headline":"Waterworks Festival extends to two days in September 2026","source":"","event_type":"festival_lineup","newsletter_url":"https://www.imsindustryinsider.com/newsletter/2026-02-10"}],"co_entities":[{"name":"The Cause","slug":"the-cause","type":"club","shared_count":1}]}