Delete row sig_e33454d17606 from signals

id sig_e33454d17606
event_id evt_55ac5bebfe21
watcher_id NULL
signal_type discovery_unusual_volume_snapshot
value {"as_of":"2026-04-17T16:32:24.723707+0 ...
threshold NULL
direction NULL
severity NULL
window NULL
source discovery_rss
reason_trace {}
dedupe_key discovery_unusual_volume_snapshot:0929a4102d389c96
throttle_s 0
created_at 2026-04-17T16:32:24.723707+00:00
Cancel