Delete row sig_ff3015a71f57 from signals

id sig_ff3015a71f57
event_id evt_afd716a04590
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_1a6f35cbb ...
dedupe_key signal_enriched:news_delta:b6b026d3cd61efac
throttle_s 0
created_at 2026-04-20T12:17:04.039608+00:00
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