Delete row sig_60a42b8c6039 from signals

id sig_60a42b8c6039
event_id evt_6e526765f318
watcher_id NULL
signal_type discovery_new_listings_delta
value {"aggregator_url":"https://www.nasdaq. ...
threshold NULL
direction NULL
severity NULL
window NULL
source discovery_ingestor
reason_trace {"_evidence_event_ids":["evt_4d3ad7a76 ...
dedupe_key signal_enriched:discovery_new_listings_delta:69bfc ...
throttle_s 0
created_at 2026-04-09T13:37:34.641242+00:00
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