Delete row 306340 from events

seq 306340
id evt_62c18101c19a
kind signal_candidate_ingest
ts 2026-04-19T12:46:14.065812+00:00
actor collector:discovery
subject_entity_ids []
payload {"created_at":"2026-04-19T12:46:14.065 ...
source_ref rss
confidence 1.0
dedupe_key discovery_unusual_volume_delta:955eae9c88b81fc0
episode_id NULL
created_at 2026-04-19T12:46:17.999171+00:00
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