Delete row sig_b5e2bfe2c1e4 from signals

id sig_b5e2bfe2c1e4
event_id evt_e606986aaba2
watcher_id NULL
signal_type technical_indicator_signal
value {"bars":600,"confidence":0.5095723 ...
threshold NULL
direction NULL
severity medium
window NULL
source technical_analyzer
reason_trace {"cutoff_iso":"2026-04-06T20:17:55Z ...
dedupe_key ta:technical_indicator_signal:priceBelowEma12:ema_ ...
throttle_s 0
created_at 2026-04-09T20:17:55.410532+00:00
Cancel