[Ranger Zone REST API] Resources data is missing in XML format

<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<rangerSecurityZones>
    <rangerSecurityZone>
        <id>2</id>
        <isEnabled>true</isEnabled>
        <createdBy>Admin</createdBy>
        <updatedBy>Admin</updatedBy>
        <createTime>2020-07-28T10:15:44Z</createTime>
        <updateTime>2020-07-28T10:17:52Z</updateTime>
        <name>test_zone_1</name>
        <services>
            <entry>
                <key>cm_ozone</key>
                <value>
                    <resources/>
                </value>
            </entry>
            <entry>
                <key>cm_hdfs</key>
                <value>
                    <resources/>
                </value>
            </entry>
        </services>
        <adminUsers>admin</adminUsers>
        <auditUserGroups>public</auditUserGroups>
        <description></description>
    </rangerSecurityZone>
</rangerSecurityZones>