Delete row sig_10c9f45af811 from signals

id sig_10c9f45af811
event_id evt_e2edc56eea14
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_dba66cc08 ...
dedupe_key signal_enriched:discovery_ipo_delta:963b36cc38c07c ...
throttle_s 0
created_at 2026-04-10T13:12:08.706840+00:00
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