Delete row 304947 from events

seq 304947
id evt_edcb25a7ccf3
kind signal_ingest
ts 2026-04-19T12:24:56.927540+00:00
actor daemon:signal_enrichment
subject_entity_ids []
payload {"created_at":"2026-04-19T12:01:22.926 ...
source_ref candidate:sc_50645986b62a6d32
confidence 0.42
dedupe_key signal_enriched:news_delta:e4d77b57d94bb1a5
episode_id NULL
created_at 2026-04-19T12:24:56.927604+00:00
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