Protractor Response with Contacts and Invoices

response.json

{
  "CRMDataSet":{
    "xmlns:xsi":"http://www.w3.org/2001/XMLSchema-instance",
    "xmlns:xsd":"http://www.w3.org/2001/XMLSchema",
    "Header":{
      "ErrorNumber":null,
      "ErrorMessage":null
    },
    "Contacts":{
      "Item":[
        {
          "Header":{
            "ID":"8119adfa-4fcb-4a88-9946-aadf37082866",
            "CreationTime":"2013-07-15T17:41:35.13-04:00",
            "DeletionTime":"0001-01-01T00:00:00",
            "LastModifiedTime":"2013-07-15T17:42:37.83-04:00",
            "LastModifiedBy":"Test\\Lei Xu"
          },
          "ID":"8119adfa-4fcb-4a88-9946-aadf37082866",
          "FileAs":"Alliance Supplier",
          "Name":{
            "Title":"Name",
            "Prefix":null,
            "FirstName":null,
            "MiddleName":null,
            "LastName":null,
            "Suffix":null
          },
          "Address":{
            "Title":"Home",
            "Street":null,
            "City":null,
            "Province":null,
            "PostalCode":null,
            "Country":null
          },
          "Company":"Alliance Supplier",
          "Phone1Title":"Home",
          "Phone1":null,
          "Phone2Title":null,
          "Phone2":null,
          "EmailTitle":"Email",
          "Email":null,
          "AdditionalURIs":{
            "Item":{
              "Title":"Email",
              "Type":"Email",
              "Address":null
            }
          },
          "AdditionalPhones":{
            "Item":{
              "Title":"Home",
              "Number":null
            }
          },
          "Note":null,
          "NoEmail":"false",
          "NoPostCard":"false"
        },
      ]
    },
    "ServiceItems":null,
    "Invoices":{
      "Item":{
        "Header":{
          "ID":"f8f64f43-6479-4b36-843b-5575eb937a2c",
          "CreationTime":"2013-07-17T00:11:56.623-04:00",
          "DeletionTime":"0001-01-01T00:00:00",
          "LastModifiedTime":"2013-07-17T00:12:23.903-04:00",
          "LastModifiedBy":"Test\\Lei Xu"
        },
        "ID":"f8f64f43-6479-4b36-843b-5575eb937a2c",
        "Type":"WorkOrder",
        "ScheduledTime":"2013-07-17T00:10:00.477-04:00",
        "PromisedTime":"2013-07-17T18:00:00-04:00",
        "InvoiceTime":"2013-07-17T00:12:10.617-04:00",
        "WorkOrderNumber":"903",
        "InvoiceNumber":"318",
        "PurchaseOrderNumber":null,
        "ContactID":"d9c37a34-70ec-4b0f-a235-b22bc37c10c7",
        "ServiceItemID":"00000000-0000-0000-0000-000000000000",
        "Technician":"Super Technician",
        "ServiceAdvisor":"Xu, Lei",
        "InUsage":"0",
        "OutUsage":"0",
        "Note":null,
        "ServicePackages":{
          "Item":{
            "Header":{
              "ID":"a3e06d2c-50ff-4441-8055-f15c2d694026",
              "CreationTime":"2013-07-17T00:11:56.65-04:00",
              "DeletionTime":"0001-01-01T00:00:00",
              "LastModifiedTime":"2013-07-17T00:12:13.66-04:00",
              "LastModifiedBy":"Test\\Lei Xu"
            },
            "ID":"a3e06d2c-50ff-4441-8055-f15c2d694026",
            "Chapter":"Service",
            "Rank":"1",
            "Code":null,
            "Title":"Materials Purchased",
            "Description":null,
            "ServicePackageLines":{
              "Item":{
                "Header":{
                  "ID":"d7b12721-b3b6-450e-b2bd-e12cc68fb727",
                  "CreationTime":"2013-07-17T00:11:56.677-04:00",
                  "DeletionTime":"0001-01-01T00:00:00",
                  "LastModifiedTime":"2013-07-17T00:12:13.683-04:00",
                  "LastModifiedBy":"Test\\Lei Xu"
                },
                "ID":"d7b12721-b3b6-450e-b2bd-e12cc68fb727",
                "Rank":"1",
                "Type":"Labor",
                "Description":"Labor",
                "Quantity":"1",
                "Unit":"Hours",
                "Price":"100.0000",
                "PriceUnit":"Hour",
                "Total":"100.0000",
                "Discount":"0.0000",
                "ExtendedTotal":"100.0000",
                "OtherChargeCode":"H",
                "Technician":"Test, Payable",
                "ServiceAdvisor":"Xu, Lei"
              }
            },
            "ServiceCategory":{
              "ID":"9e7a10d0-606f-11d3-b79d-0008c7f3716e",
              "Rank":"0",
              "Name":"Lubrication \u0026 Maintenance"
            },
            "WorkOrderID":"f8f64f43-6479-4b36-843b-5575eb937a2c"
          }
        },
        "DeferredServicePackages":null,
        "Summary":{
          "PartsTotal":"0.0000",
          "LaborTotal":"100.0000",
          "SubletTotal":"0.0000",
          "NetTotal":"100.0000",
          "OtherCharges":{
            "Item":[
              {
                "ID":"5bc28a49-23ac-418f-83f9-e57f5279b460",
                "Code":"H",
                "Name":"Canadian Harmonized Sales Tax",
                "Value":"13.00"
              },
              {
                "ID":"30cd0b13-8fe8-4ffd-a791-5786e9bfa4b7",
                "Code":"H1",
                "Name":"Canadian Harmonized Sales Tax Rebate",
                "Value":"-8.00"
              }
            ]
          },
          "GrandTotal":"105.0000"
        },
        "OtherChargeCode":"H1",
        "LocationID":"9e2c9ec7-8e7b-4724-8190-edae181d91eb"
      }
    },
    "Appointments":null
  }
}