Delete row sig_91c67cf282a4 from signals

id sig_91c67cf282a4
event_id evt_00350e6ea1aa
watcher_id NULL
signal_type discovery_crypto_extremes_delta
value {"aggregator_url":"https://www.coingec ...
threshold NULL
direction NULL
severity NULL
window NULL
source discovery_ingestor
reason_trace {"_evidence_event_ids":["evt_cfcd61e1f ...
dedupe_key signal_enriched:discovery_crypto_extremes_delta:1c ...
throttle_s 0
created_at 2026-04-22T03:03:32.063787+00:00
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