{
  "@context": {
    "@version": 1.1,
    "@protected": true,
    "Invoice": {
      "@id": "https://example.com/terms#Invoice",
      "@type": "@id",
      "@context": {
        "@protected": true,
        "invoiceId": {
          "@id": "https://example.com/terms#invoiceId"
        },
        "invoiceName": {
          "@id": "https://example.com/terms#invoiceName"
        },
        "date": {
          "@id": "https://example.com/terms#date"
        },
        "customerId": {
          "@id": "https://example.com/terms#customerId"
        },
        "terms": {
          "@id": "https://example.com/terms#terms"
        },
        "subtotal": {
          "@id": "https://example.com/terms#subtotal"
        },
        "tax": {
          "@id": "https://example.com/terms#tax"
        },
        "taxTotal": {
          "@id": "https://example.com/terms#taxTotal"
        },
        "total": {
          "@id": "https://example.com/terms#total"
        },
        "billFromName": {
          "@id": "https://example.com/terms#billFromName"
        },
        "billFromStreetAddress": {
          "@id": "https://example.com/terms#billFromStreetAddress"
        },
        "billFromCity": {
          "@id": "https://example.com/terms#billFromCity"
        },
        "billFromPostalCode": {
          "@id": "https://example.com/terms#billFromPostalCode"
        },
        "billFromPhoneNumber": {
          "@id": "https://example.com/terms#billFromPhoneNumber"
        },
        "billToName": {
          "@id": "https://example.com/terms#billToName"
        },
        "billToEmail": {
          "@id": "https://example.com/terms#billToEmail"
        },
        "billToCompanyName": {
          "@id": "https://example.com/terms#billToCompanyName"
        },
        "billToCompanyStreetAddress": {
          "@id": "https://example.com/terms#billToCompanyStreetAddress"
        },
        "billToCompanyCity": {
          "@id": "https://example.com/terms#billToCompanyCity"
        },
        "billToCompanyPostalCode": {
          "@id": "https://example.com/terms#billToCompanyPostalCode"
        },
        "billToCompanyPhoneNumber": {
          "@id": "https://example.com/terms#billToCompanyPhoneNumber"
        },   
        "billableItems": {
          "@id": "https://example.com/terms#billableItems",
          "@container": "@set",
          "@context": {
            "@protected": true,
            "billableItemsDescription": {
              "@id": "https://example.com/terms#billableItemsDescription"
            },
            "billableItemsQuantity": {
              "@id": "https://example.com/terms#billableItemsQuantity"
            },
            "billableItemsUnitPrice": {
              "@id": "https://example.com/terms#billableItemsUnitPrice"
            },
            "billableItemsAmount": {
              "@id": "https://example.com/terms#billableItemsAmount"
            }
          }
        },
        "links": {
          "@id": "https://example.com/terms#links"
        }
      }
    }
  }
}