Delete row sig_a1ea10d06f8b from signals

id sig_a1ea10d06f8b
event_id evt_8c3ad3807900
watcher_id NULL
signal_type discovery_sector_rotation_snapshot
value {"as_of":"2026-04-10T01:02:52.094076+0 ...
threshold NULL
direction NULL
severity NULL
window NULL
source discovery_rss
reason_trace {}
dedupe_key discovery_sector_rotation_snapshot:24564769915e552 ...
throttle_s 0
created_at 2026-04-10T01:02:52.094076+00:00
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