Delete row sig_ad4979021783 from signals

id sig_ad4979021783
event_id evt_869dbd4266c9
watcher_id NULL
signal_type market_headlines_snapshot
value {"as_of":"2026-04-11T12:53:21.169386+0 ...
threshold NULL
direction NULL
severity NULL
window NULL
source market_ingestor
reason_trace {}
dedupe_key market_headlines_snapshot:d5b832b3d2b20bd0
throttle_s 0
created_at 2026-04-11T12:53:21.169386+00:00
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