Setting Request Created Date using REST API

Setting Request Created Date using REST API

I'm successfully using the REST API to create and edit service request, but am having trouble changing the Created Date either during request creation (ADD_REQUEST) or by editing an existing request (EDIT_REQUEST). I'm importing tickets from an old ticketing system, so it would be nice to have this date set correctly.

I've tried these formats:

<Operation>
  <Details>
    <parameter>
      <name>createdtime</name>
      <value>23 APR 2013, 01:00:00</value>
    </parameter>
  </Details>
</Operation>

<Operation>
  <Details>
    <parameter>
      <name>createdtime</name>
      <value>1366693200000</value>
    </parameter>
  </Details>
</Operation>

Response in either case indicates success, but the date is not updated on the request.

<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<API version="1.0">
<response>
<operation name="EDIT_REQUEST">
<result>
<statuscode>200</statuscode>
<status>Success</status>
<message>Request 64 successfully edited</message>
</result>
</operation>
</response>
</API>

Please let me know how to proceed with this. Thanks!

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