Delete row 275782 from events

seq 275782
id evt_54f83e513d84
kind signal_ingest
ts 2026-04-19T05:10:02.208679+00:00
actor daemon:signal_enrichment
subject_entity_ids []
payload {"created_at":"2026-04-19T05:09:15.490 ...
source_ref candidate:sc_5b6f059296c9e771
confidence 0.42
dedupe_key signal_enriched:news_delta:a7f369ac67b7e995
episode_id NULL
created_at 2026-04-19T05:10:02.208746+00:00
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