Delete row sig_91e5b6ca2a82 from signals

id sig_91e5b6ca2a82
event_id evt_dc33537893c8
watcher_id NULL
signal_type discovery_sector_rotation_snapshot
value {"as_of":"2026-04-12T06:42:42.365074+0 ...
threshold NULL
direction NULL
severity NULL
window NULL
source discovery_rss
reason_trace {}
dedupe_key discovery_sector_rotation_snapshot:6dc2a0a7744ad42 ...
throttle_s 0
created_at 2026-04-12T06:42:42.365074+00:00
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