[
  {
    CustomerAssignments: [
      {
        BranchI3D: null,
        CustomerName: 'Müller GmbH',
        CustomerNumber: 10011
      },
      {
        BranchI3D: 0,
        CustomerName: 'Müller GmbH',
        CustomerNumber: 10011
      },
      {
        BranchI3D: 1,
        CustomerName: 'Sparkasse Ulm',
        CustomerNumber: 10012
      }
    ],
    SchemaI3D: 3
  },
  {
    CustomerAssignments: [],
    SchemaI3D: 4
  }
]