update_device.xml

<data xmlns="http://www.commcarehq.org/wisepill/patient">
    <meta xmlns="http://openrosa.org/jr/xforms">
        <instanceID>PYV0ULC6SOXE5LR20F2CWBAG6</instanceID>
        <timeStart>2013-02-21T10:37:06Z</timeStart>
        <timeEnd>2013-02-21T10:38:14Z</timeEnd>
        <userID>b50e99f66c72c24f305d0e245cd929f9</userID>
    </meta>
    <case xmlns="http://commcarehq.org/case/transaction/v2" case_id="3F2504E04F8911D39A0C0305E82C3303" user_id="b50e99f66c72c24f305d0e245cd929f9" date_modified="2013-02-21T10:38:14" >
        <update>
            <message_type>123-532</message_type>
            <msisdn>+915551234</msisdn>
            <serial>2011-06-30</serial>
            <datetime>2012-03-22</datetime>
            <signal_strength>123-532</signal_strength>
            <battery_strength>233</battery_strength>
            <puff_count></puff_count>
            <ussd_response>abc</ussd_response>
            <compartment>1</compartment>
        </update>
    </case>
</data>