| payload |
{"created_at":"2026-04-21T19:40:40.752 {"created_at":"2026-04-21T19:40:40.752799+00:00","signal_type":"opportunity_research_snapshot","source":"opportunity_research_ingestor","value":{"as_of":"2026-04-21T19:40:40.752799+00:00","bucket":"2026-04-21T19:00Z","error":"http_status_400","items":[],"meta":{},"provider":"serper","quality_hint":0.6,"query":"bitcoin ETF flows exchange reserves derivatives funding update","source":"opportunity_research_ingestor","source_ref":"web_search:serper","status":"http_400"}}... |