Delete row 469001 from events

seq 469001
id evt_7569e9d9d223
kind signal_candidate_ingest
ts 2026-04-21T03:09:54.871544+00:00
actor collector:discovery
subject_entity_ids []
payload {"created_at":"2026-04-21T03:09:54.871 ...
source_ref sec:edgar
confidence 1.0
dedupe_key discovery_sec_filing_delta:defe64f57be94efd
episode_id NULL
created_at 2026-04-21T03:10:06.694840+00:00
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