Delete row sig_1941749e394e from signals

id sig_1941749e394e
event_id evt_4ea139940a7f
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_4a367016e ...
dedupe_key signal_enriched:discovery_ipo_delta:334d1f531ff0ee ...
throttle_s 0
created_at 2026-04-14T09:10:46.756430+00:00
Cancel