Delete row 473918 from events

seq 473918
id evt_633e0b3fd0bb
kind signal_ingest
ts 2026-04-21T22:14:39.874930+00:00
actor collector:opportunity_research
subject_entity_ids []
payload {"created_at":"2026-04-21T22:14:39.874 ...
source_ref targeted_research:case_b05322590bf5684b
confidence 0.6
dedupe_key opportunity_research_snapshot:ab9ac9f4762530fb
episode_id NULL
created_at 2026-04-21T22:14:41.128836+00:00
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