Delete row sig_283a82de1749 from signals

id sig_283a82de1749
event_id evt_37023222af15
watcher_id NULL
signal_type market_prices_snapshot
value {"as_of":"2026-04-21T11:15:06.570678+0 ...
threshold NULL
direction NULL
severity NULL
window NULL
source market_ingestor
reason_trace {}
dedupe_key market_prices_snapshot:d3a5b597bec2ec46
throttle_s 0
created_at 2026-04-21T11:15:06.570678+00:00
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