<xml>
    <ToUserName><![CDATA[toUser]]></ToUserName>
    <FromUserName><![CDATA[fromUser]]></FromUserName>
    <CreateTime>1348831860</CreateTime>
    <MsgType><![CDATA[image]]></MsgType>
    <PicUrl><![CDATA[this is a url]]></PicUrl>
    <MediaId><![CDATA[media_id]]></MediaId>
    <MsgId>1234567890123456</MsgId>
</xml>
