Delete row sig_9614fdf52cb3 from signals

id sig_9614fdf52cb3
event_id evt_ff06bcb945a0
watcher_id NULL
signal_type news_headline_delta
value {"aggregator_url":"https://news.google ...
threshold NULL
direction NULL
severity NULL
window NULL
source news_rss
reason_trace {"_evidence_event_ids":["evt_803825fc6 ...
dedupe_key signal_enriched:news_delta:f175ac5be662bd28
throttle_s 0
created_at 2026-04-08T19:34:52.532895+00:00
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