Delete row sig_e198dfa061a4 from signals

id sig_e198dfa061a4
event_id evt_d9e20788420e
watcher_id NULL
signal_type opportunity_research_snapshot
value {"as_of":"2026-04-09T13:15:28.591420+0 ...
threshold NULL
direction NULL
severity NULL
window NULL
source opportunity_research_ingestor
reason_trace {}
dedupe_key opportunity_research_snapshot:68eabbc032e04ba6
throttle_s 0
created_at 2026-04-09T13:15:28.591420+00:00
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