Delete row 471478 from events

seq 471478
id evt_e298a77e8452
kind signal_ingest
ts 2026-04-21T14:58:36.521956+00:00
actor daemon:signal_enrichment
subject_entity_ids []
payload {"created_at":"2026-04-20T18:44:57.233 ...
source_ref candidate:sc_b6ebf879a54b870d
confidence 0.72
dedupe_key signal_enriched:discovery_unusual_volume_delta:1af ...
episode_id NULL
created_at 2026-04-21T14:58:36.522017+00:00
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