Delete row sig_fcc1d1843166 from signals

id sig_fcc1d1843166
event_id evt_22fbf383b2ab
watcher_id NULL
signal_type opportunity_case_memory
value {"case_id":"case_a5d7d2cc299b8ddd" ...
threshold NULL
direction NULL
severity low
window NULL
source opportunity_finder
reason_trace {"_evidence_event_ids":["evt_55fac9f5a ...
dedupe_key opportunity_case_memory:case_a5d7d2cc299b8ddd:moni ...
throttle_s 3600
created_at 2026-04-03T13:54:03.736006+00:00
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