Delete row sig_1a672d91a7ac from signals

id sig_1a672d91a7ac
event_id evt_012e9f5e3b7e
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_4a8be40e5 ...
dedupe_key signal_enriched:discovery_ipo_delta:0ba5aa1f8d747e ...
throttle_s 0
created_at 2026-04-04T11:08:24.073923+00:00
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