POST http://localhost:8080/cmx/cs/localhost-orcl-DS_UI1/Person/2478245?action=updatePendingMerge&interactionId=3982462873645

{
  keys: [
    {
        rowid: "2478246"
    },
   {
        rowid: "2478230"
    }
  ],
  overrides: {
    Person: {
       firstName: "Charlie"
    }
  }
}