Delete row 335468 from events

seq 335468
id evt_b05c89ac8ff7
kind signal_ingest
ts 2026-04-19T19:53:53.605981+00:00
actor collector:opportunity_research
subject_entity_ids []
payload {"created_at":"2026-04-19T19:53:53.605 ...
source_ref web_search:serper
confidence 0.6
dedupe_key opportunity_research_snapshot:651fe4e88446f388
episode_id NULL
created_at 2026-04-19T19:53:56.633081+00:00
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