Delete row 40658 from events

seq 40658
id evt_7c3844236d05
kind signal_ingest
ts 2026-04-14T06:16:41.336994+00:00
actor daemon:signal_enrichment
subject_entity_ids []
payload {"created_at":"2026-04-14T06:16:11.032 ...
source_ref candidate:sc_67212812ea0304eb
confidence 0.78
dedupe_key signal_enriched:news_delta:d7d777d1108893e7
episode_id NULL
created_at 2026-04-14T06:16:41.337033+00:00
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