Delete row sig_172685babf68 from signals

id sig_172685babf68
event_id evt_ccb01dbb92c0
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_f3f8a2fc1 ...
dedupe_key signal_enriched:news_delta:67a51a8cfc257391
throttle_s 0
created_at 2026-04-22T14:18:40.016660+00:00
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