<params>
    <GROUP>
     <![CDATA[
    { "Name": "a", "description": "none", "Id": 193, "Ids": 100, "Enabled": false, "inherit": false, }
    ]]>
    </GROUP>
    </params>

<property name="messageType" scope="axis2" type="STRING" value="multipart/form-data"/>
<property name="ContentType" scope="axis2" type="STRING" value="multipart/form-data"/>

--MIMEBoundary_4d51150e0b3810444096a2c44163769ee7cf1d64c72516f1
Content-Disposition: form-data; name="GROUP"
Content-Type: text/plain; charset=US-ASCII
Content-Transfer-Encoding: 8bit

{ "Name": "a", "description": "none", "Id": 193, "Ids": 100, "Enabled": false, "inherit": false, }
-MIMEBoundary_4d51150e0b3810444096a2c44163769ee7cf1d64c72516f1-

Content-Type →multipart/form-data; charset=UTF-8