Delete row 469345 from events

seq 469345
id evt_de2962b0551a
kind signal_ingest
ts 2026-04-21T04:45:41.194390+00:00
actor daemon:signal_enrichment
subject_entity_ids []
payload {"created_at":"2026-04-21T03:09:54.871 ...
source_ref candidate:sc_92a33a5ff51fcded
confidence 0.72
dedupe_key signal_enriched:discovery_sec_filing_delta:5767f4e ...
episode_id NULL
created_at 2026-04-21T04:45:41.194445+00:00
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