Delete row sig_83d7abb3685c from signals

id sig_83d7abb3685c
event_id evt_b033c3aee357
watcher_id NULL
signal_type market_headlines_snapshot
value {"as_of":"2026-04-22T00:32:18.056888+0 ...
threshold NULL
direction NULL
severity NULL
window NULL
source market_ingestor
reason_trace {}
dedupe_key market_headlines_snapshot:283857f338f9159f
throttle_s 0
created_at 2026-04-22T00:32:18.056888+00:00
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