Delete row sig_3289210280fb from signals

id sig_3289210280fb
event_id evt_6719a18c72b1
watcher_id NULL
signal_type market_prices_snapshot
value {"as_of":"2026-04-11T21:37:48.020845+0 ...
threshold NULL
direction NULL
severity NULL
window NULL
source market_ingestor
reason_trace {}
dedupe_key market_prices_snapshot:26e29cf76260915a
throttle_s 0
created_at 2026-04-11T21:37:48.020845+00:00
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