Delete row sig_1d9a01aa8d76 from signals

id sig_1d9a01aa8d76
event_id evt_2345c6671ef4
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_9298bc64a ...
dedupe_key signal_enriched:discovery_ipo_delta:e01867ff7d6abd ...
throttle_s 0
created_at 2026-04-17T06:43:47.830423+00:00
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