Delete row 479793 from events

seq 479793
id evt_0d1c004d7280
kind signal_ingest
ts 2026-04-22T08:08:04.828182+00:00
actor daemon:signal_enrichment
subject_entity_ids []
payload {"created_at":"2026-04-22T08:07:13.237 ...
source_ref candidate:sc_652bfd4dfc6d73a6
confidence 0.45000000000000007
dedupe_key signal_enriched:discovery_crypto_extremes_delta:60 ...
episode_id NULL
created_at 2026-04-22T08:08:04.828250+00:00
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