{"ok": true, "upstreams": [{"upstream": 0, "ok": false, "cooling_for": 112, "status": 401, "note": "project ID does not have access to this network, see https://infura.io/dashboard\n"}, {"upstream": 1, "ok": true, "reads_only": true, "read": "0006"}, {"upstream": 2, "ok": false, "status": 503, "note": "{\"jsonrpc\":\"2.0\",\"id\":null,\"error\":{\"code\":-32603,\"message\":\"arc-scan.org could not complete this request. No answer was obtained, so nothing about the result s"}, {"upstream": 3, "ok": false, "status": 502, "note": "error code: 502\n"}]}