Unable to get a Response from EBS using rest API In SOAP UI.

Summary

Unable to get REST URI Response thorough SOAP UI.

Content

We are deployed PLSQL record type code in EBS as REST API. 

we are unable to get a response through SOAP UI. we are getting below Error

<data contentType="text/plain" contentLength="303"><![CDATA[{
 "ISGServiceFault" : {
   "Code" : "ISG_SERVICE_EXECUTION_ERROR",
   "Message" : "Error while executing service",
   "Resolution" : "Please check Server logs.",
   "ServiceDetails" : {
     "ServiceName" : "XXDH_NEW_BUD_CHK",
     "OperationName" : "create_temp_tbl",
     "InstanceId" : "0"
   }
 }
}]]></data>

I attached xsd file for your reference. kindly tell me the input(json type) for REST URI