Delete row sig_242d4c51e211 from signals

id sig_242d4c51e211
event_id evt_5b63943af209
watcher_id NULL
signal_type market_prices_snapshot
value {"as_of":"2026-04-09T14:08:07.817085+0 ...
threshold NULL
direction NULL
severity NULL
window NULL
source market_ingestor
reason_trace {}
dedupe_key market_prices_snapshot:80794d8165fd9c8f
throttle_s 0
created_at 2026-04-09T14:08:07.817085+00:00
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