POST  http://localhost:8080/cmx/cs/localhost-orcl-DS_UI1/Person/233?systemName=Admin 

{
    rowidObject: "233",
    firstName: "BOB",
    lastName: "LLOYD",
    Phone: {
        item: [
            {
                rowidObject: "164",
                phoneNumber: "777-77-77",
                $original: {
                    phoneNumber: "(336)366-4936"
                }
            }
        ]
    },
    $original: {
        firstName: "DUNN"
    }
}