Delete row sig_3eb3afc59931 from signals

id sig_3eb3afc59931
event_id evt_adf7e60c6920
watcher_id NULL
signal_type discovery_unusual_volume_snapshot
value {"as_of":"2026-04-12T02:40:26.813125+0 ...
threshold NULL
direction NULL
severity NULL
window NULL
source discovery_rss
reason_trace {}
dedupe_key discovery_unusual_volume_snapshot:102c4dde255320ed
throttle_s 0
created_at 2026-04-12T02:40:26.813125+00:00
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