Delete row sig_4a14a6995893 from signals

id sig_4a14a6995893
event_id evt_26ce06da1402
watcher_id NULL
signal_type opportunity_research_snapshot
value {"as_of":"2026-04-17T11:11:31.386387+0 ...
threshold NULL
direction NULL
severity NULL
window NULL
source opportunity_research_ingestor
reason_trace {}
dedupe_key opportunity_research_snapshot:bcc6ecfc7248ad6d
throttle_s 0
created_at 2026-04-17T11:11:31.386387+00:00
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