Delete row 6421 from events

seq 6421
id evt_8c365e0e19ff
kind signal_ingest
ts 2026-04-08T12:33:18.731579+00:00
actor daemon:signal_enrichment
subject_entity_ids []
payload {"created_at":"2026-04-08T12:09:43.295 ...
source_ref candidate:sc_081e2de846048612
confidence 0.78
dedupe_key signal_enriched:news_delta:db1006587f831580
episode_id NULL
created_at 2026-04-08T12:33:18.731832+00:00
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