Delete row 23474 from events

seq 23474
id evt_defea568cefd
kind signal_candidate_ingest
ts 2026-04-11T15:08:00.060011+00:00
actor collector:discovery
subject_entity_ids []
payload {"created_at":"2026-04-11T15:08:00.060 ...
source_ref rss
confidence 1.0
dedupe_key discovery_unusual_volume_delta:30f98b351f5d6726
episode_id NULL
created_at 2026-04-11T15:08:04.912438+00:00
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