REST Example: Switching a Subscription to a Different Plan {#rb-amend-subs-ex}
==============================================================================

Request

```
{
    "subscriptionInformation": {
        "planId": 7379850138646475304951,
        "name": "Update Sub Name - Switch Plan 6192115800926177701960",
        "code":"1619215852Code"
    },
    "orderInformation": {
        "amountDetails": {
            "billingAmount": "13.23"
        }
    }
}
```

Response to a Successful Request

```
{
    "_links": {
        "self": {
            "href": "/rbs/v1/subscriptions/1619215852",
            "method": "GET"
        },
        "update": {
            "href": "/rbs/v1/subscriptions/1619215852",
            "method": "PATCH"
        },
        "cancel": {
            "href": "/rbs/v1/subscriptions/1619215852/cancel",
            "method": "POST"
        }
    },
    "id": "1619215852",
    "status": "COMPLETED",
    "subscriptionInformation": {
        "code": "1619215852Code",
        "status": "PENDING"
    }
}
```

Error Response to a Failed Request

```
{
    "status": "INVALID_REQUEST",
    "reason": "INVALID_DATA",
    "message": "One or more fields in the request contains invalid data.",
    "details": [
        {
            "field": "subscriptionInformation.code",
            "reason": "DUPLICATE"
        }
    ]
}
```