Delete row 37549 from events

seq 37549
id evt_c94123f874ed
kind signal_ingest
ts 2026-04-07T12:50:26.701310+00:00
actor daemon:signal_enrichment
subject_entity_ids []
payload {"created_at":"2026-04-06T23:19:11.008 ...
source_ref candidate:sc_3a4b09177a2867c3
confidence 0.9
dedupe_key signal_enriched:market_headline_delta:d902febc5fcc ...
episode_id NULL
created_at 2026-04-07T12:50:26.701388+00:00
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