Problem report/exec_report in node.js

    
                        var params = {
                        "reportResourceId":8,
                        "reportTemplateId":0,
                        "reportObjectId":18112304,
                        "reportObjectSecId":0,
                        "interval":{
                            "from":0,
                            "to":0,
                            "flags":0
                        }
                        };
                        request.post({
                            url: URL + 'svc=report/exec_report',
                            json: true,
                            form: {
                                sid: SID,
                                params: JSON.stringify(params)
                            }
                        }, function (error, response, body) {
                            console.log(body);
                            console.log(namecan);
                    });
                    }