Delete row sig_38fe4c9462f6 from signals

id sig_38fe4c9462f6
event_id evt_5ee602711794
watcher_id NULL
signal_type market_headlines_snapshot
value {"as_of":"2026-04-22T11:35:57.101999+0 ...
threshold NULL
direction NULL
severity NULL
window NULL
source market_ingestor
reason_trace {}
dedupe_key market_headlines_snapshot:a3baec708dbfc539
throttle_s 0
created_at 2026-04-22T11:35:57.101999+00:00
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