Call Teamcenter Service with an Operation Mapping like this:
{
"ServiceOperation": "Core-2006-03-DataManagement\/changeOwnership",
"InputType": "TcConnector.Command",
"ResponseType": "",
"ObjectMapping": "",
"OperationInput":
{
"input": [
{
"object": "$Input\/MyFirstModule.ModelObject",
"owner": "$Input\/MyFirstModule.user",
"group": "$Input\/MyFirstModule.group"
}
]
},
"OperationResponse": {
}
}