Delete row sig_e5ea0d7683a9 from signals

id sig_e5ea0d7683a9
event_id evt_b414732eeced
watcher_id NULL
signal_type discovery_sector_rotation_delta
value {"aggregator_url":"https://www.nasdaq. ...
threshold NULL
direction NULL
severity NULL
window NULL
source discovery_ingestor
reason_trace {"_evidence_event_ids":["evt_533cbdfb2 ...
dedupe_key signal_enriched:discovery_sector_rotation_delta:f3 ...
throttle_s 0
created_at 2026-04-20T15:42:12.815098+00:00
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