Delete row sig_1f589fd2d241 from signals

id sig_1f589fd2d241
event_id evt_baa437ed4652
watcher_id NULL
signal_type discovery_sector_rotation_snapshot
value {"as_of":"2026-04-18T14:14:09.415229+0 ...
threshold NULL
direction NULL
severity NULL
window NULL
source discovery_rss
reason_trace {}
dedupe_key discovery_sector_rotation_snapshot:d36d7406c4aa501 ...
throttle_s 0
created_at 2026-04-18T14:14:09.415229+00:00
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