AWS::SNS::Topic:
  Properties: 
    DisplayName: "\"string to identify the topici, optional field\""
    Subscription: |
      [
        {
           "Endpoint" => "http|https|@|phone-number|SQS Queue|EndpointArn of Mobile App/device|Lambda Arn",
           "Protocol" => "http|https|email|email-json|sms|sqs|application|lambda"
        }
      ]
    TopicName: "\"A name for the topic, optional\""