Delete row sig_cb878a11da98 from signals

id sig_cb878a11da98
event_id evt_0a3e540dfc68
watcher_id NULL
signal_type discovery_ipo_delta
value {"aggregator_url":"https://news.google ...
threshold NULL
direction NULL
severity NULL
window NULL
source discovery_ingestor
reason_trace {"_evidence_event_ids":["evt_ae902812e ...
dedupe_key signal_enriched:discovery_ipo_delta:fea1c6acc6b8da ...
throttle_s 0
created_at 2026-04-17T16:32:24.724517+00:00
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