Delete row 469324 from events

seq 469324
id evt_5e78929839ce
kind signal_ingest
ts 2026-04-21T04:44:44.688921+00:00
actor collector:markets
subject_entity_ids []
payload {"created_at":"2026-04-21T04:30:26.475 ...
source_ref stooq
confidence 1.0
dedupe_key market_prices_snapshot:1a7320c06a2b1ba4
episode_id NULL
created_at 2026-04-21T04:44:44.707374+00:00
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