Delete row 444253 from events

seq 444253
id evt_36599dd75456
kind signal_candidate_ingest
ts 2026-04-20T14:11:25.277652+00:00
actor collector:discovery
subject_entity_ids []
payload {"created_at":"2026-04-20T14:11:25.277 ...
source_ref rss
confidence 1.0
dedupe_key discovery_ipo_delta:26ece163c997d2c0
episode_id NULL
created_at 2026-04-20T14:11:29.167254+00:00
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