Read Subscription Product Item

{
    "reference": 123459651622156,
    "name": "Thermostat",
    "description": "MODEL MC1-0092",
    "subscriptionProductId": 123456,
    "subscriptionId": 1354892,
    "customerId": 643539,
    "productId": 46818,
    "status": "Active",
    "createdDate": "2019-11-01T11:51:26",
    "modifiedDate": "2019-11-01T11:51:26.77",
    "id": 242386,
    "uri": "https://secure.fusebill.com/v1/subscriptionProductItems/242386"
  }

{
    "ErrorId": 0,
    "HttpStatusCode": 404,
    "Errors": [
        {
            "Key": "Api Error",
            "Value": "SubscriptionProductItem with id 1234 not found."
        }
    ]
}