Delete row sig_13ae93662945 from signals

id sig_13ae93662945
event_id evt_fc649a7f1812
watcher_id NULL
signal_type market_prices_snapshot
value {"as_of":"2026-04-22T07:47:03.572349+0 ...
threshold NULL
direction NULL
severity NULL
window NULL
source market_ingestor
reason_trace {}
dedupe_key market_prices_snapshot:9144c47f5cbc0be8
throttle_s 0
created_at 2026-04-22T07:47:03.572349+00:00
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