Delete row sig_a0bcc5738679 from signals

id sig_a0bcc5738679
event_id evt_535222c80178
watcher_id NULL
signal_type market_headlines_snapshot
value {"as_of":"2026-04-18T03:03:10.110637+0 ...
threshold NULL
direction NULL
severity NULL
window NULL
source market_ingestor
reason_trace {}
dedupe_key market_headlines_snapshot:9d75f805eaf57706
throttle_s 0
created_at 2026-04-18T03:03:10.110637+00:00
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