| payload |
{"created_at":"2026-04-21T13:28:17.709 {"created_at":"2026-04-21T13:28:17.709026+00:00","signal_type":"opportunity_research_snapshot","source":"opportunity_research_ingestor","value":{"as_of":"2026-04-21T13:28:17.709026+00:00","bucket":"2026-04-21T13:00Z","error":"http_status_400","items":[],"meta":{},"provider":"serper","quality_hint":0.6,"query":"aluminium market LME stocks smelter energy costs china supply update","source":"opportunity_research_ingestor","source_ref":"web_search:serper","status":"http_400"}}... |