Delete row sig_cfe767ec53bc from signals

id sig_cfe767ec53bc
event_id evt_be0848def1f1
watcher_id NULL
signal_type market_prices_snapshot
value {"as_of":"2026-04-08T07:06:29.178732+0 ...
threshold NULL
direction NULL
severity NULL
window NULL
source market_ingestor
reason_trace {}
dedupe_key market_prices_snapshot:4b478b181940eba6
throttle_s 0
created_at 2026-04-08T07:06:29.178732+00:00
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