Delete row sig_c918b11d2fe3 from signals

id sig_c918b11d2fe3
event_id evt_cf3a7c1bbaf5
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_7182c294f ...
dedupe_key signal_enriched:news_delta:38fb19939d286d8e
throttle_s 0
created_at 2026-04-18T14:05:04.147971+00:00
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