Delete row sig_7ba781a34543 from signals

id sig_7ba781a34543
event_id evt_edd24fa21f1c
watcher_id NULL
signal_type market_prices_snapshot
value {"as_of":"2026-04-20T12:58:49.684058+0 ...
threshold NULL
direction NULL
severity NULL
window NULL
source market_ingestor
reason_trace {}
dedupe_key market_prices_snapshot:7f8b05c51c494a64
throttle_s 0
created_at 2026-04-20T12:58:49.684058+00:00
Cancel