Delete row 472737 from events

seq 472737
id evt_33b2efcdc771
kind signal_candidate_ingest
ts 2026-04-21T19:57:20.275338+00:00
actor collector:discovery
subject_entity_ids []
payload {"created_at":"2026-04-21T19:57:20.275 ...
source_ref rss
confidence 1.0
dedupe_key discovery_unusual_volume_delta:f17055100278dfe4
episode_id NULL
created_at 2026-04-21T19:57:27.254748+00:00
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