def describe_notification_subscriptions(OrganizationId=None, Marker=None,
    Limit=None):
    """
    Lists the specified notification subscriptions.
    See also: AWS API Documentation
    
    
    :example: response = client.describe_notification_subscriptions(
        OrganizationId='string',
        Marker='string',
        Limit=123
    )
    
    
    :type OrganizationId: string
    :param OrganizationId: [REQUIRED]
            The ID of the organization.
            

    :type Marker: string
    :param Marker: The marker for the next set of results. (You received this marker from a previous call.)

    :type Limit: integer
    :param Limit: The maximum number of items to return with this call.

    :rtype: dict
    :return: {
        'Subscriptions': [
            {
                'SubscriptionId': 'string',
                'EndPoint': 'string',
                'Protocol': 'HTTPS'
            },
        ],
        'Marker': 'string'
    }
    
    
    """
    pass
