Delete row sig_1092e2d8df56 from signals

id sig_1092e2d8df56
event_id evt_50cc210ad0b5
watcher_id NULL
signal_type opportunity_research_snapshot
value {"as_of":"2026-04-12T14:09:26.958427+0 ...
threshold NULL
direction NULL
severity NULL
window NULL
source opportunity_research_ingestor
reason_trace {}
dedupe_key opportunity_research_snapshot:0042ddb37b66b4bc
throttle_s 0
created_at 2026-04-12T14:09:26.958427+00:00
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