Delete row 18587 from events

seq 18587
id evt_1e4e035649ac
kind signal_candidate_ingest
ts 2026-04-10T17:21:18.772571+00:00
actor collector:discovery
subject_entity_ids []
payload {"created_at":"2026-04-10T17:21:18.772 ...
source_ref rss
confidence 1.0
dedupe_key discovery_unusual_volume_delta:cce36e2c44b60bb0
episode_id NULL
created_at 2026-04-10T17:21:22.637735+00:00
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