Delete row sig_40c56c8d095d from signals

id sig_40c56c8d095d
event_id evt_f03cc55eef06
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_9a69478f1 ...
dedupe_key signal_enriched:discovery_ipo_delta:1dcb7f2d945316 ...
throttle_s 0
created_at 2026-04-10T20:20:53.146920+00:00
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