Delete row sig_22eab1034414 from signals

id sig_22eab1034414
event_id evt_9db46e0f27d4
watcher_id NULL
signal_type market_prices_snapshot
value {"as_of":"2026-04-20T06:01:35.742329+0 ...
threshold NULL
direction NULL
severity NULL
window NULL
source market_ingestor
reason_trace {}
dedupe_key market_prices_snapshot:fce8afc98c180029
throttle_s 0
created_at 2026-04-20T06:01:35.742329+00:00
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