{"en_US": "<graph string=\"Activities Analysis\" sample=\"1\">\n                    <field name=\"mail_activity_type_id\"/>\n                    <field name=\"date\" interval=\"month\"/>\n                </graph>", "vi_VN": "<graph string=\"Phân tích hoạt động\" sample=\"1\">\n                    <field name=\"mail_activity_type_id\"/>\n                    <field name=\"date\" interval=\"month\"/>\n                </graph>"}