Delete row sig_3e81010ef9db from signals

id sig_3e81010ef9db
event_id evt_84893de05a81
watcher_id NULL
signal_type market_prices_snapshot
value {"as_of":"2026-04-18T03:03:05.032682+0 ...
threshold NULL
direction NULL
severity NULL
window NULL
source market_ingestor
reason_trace {}
dedupe_key market_prices_snapshot:9d75f805eaf57706
throttle_s 0
created_at 2026-04-18T03:03:05.032682+00:00
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