sns_message.json

{
  "Type": "Notification",
  "MessageId": "63a3f6b6-d533-4a47-aef9-fcf5cf758c76",
  "TopicArn": "arn:aws:sns:ap-northeast-1:xxx:xxx",
  "Subject" : "Test Subject",
  "Message": "Test Message",
  "Timestamp": "2018-07-7T05:12:16.901Z",
  "SignatureVersion" : "1",
  "Signature": "EXAMPLEnTrFPa37tnVO0FF9Iau3MGzjlJLRfySEoWz4uZHSj6ycK4ph71Zmdv0NtJ4dC/El9FOGp3VuvchpaTraNHWhhq/OsN1HVz20zxmF9b88R8GtqjfKB5woZZmz87HiM6CYDTo3l7LMwFT4VU7ELtyaBBafhPTg9O5CnKkg=",
  "SigningCertURL": "https://sns.ap-northeast-1.amazonaws.com/SimpleNotificationService-xxx.pem",
  "UnsubscribeURL": "https://sns.ap-northeast-1.amazonaws.com/?Action=Unsubscribe&SubscriptionArn=arn:aws:sns:ap-northeast-1:xxx:xxx:xxx"
}