Example incoming SNS message with three custom fields

IncomingSNSMessage.json

{
  "Records": [
    {
      "EventSource": "aws:sns",
      "EventVersion": "1.0",
      "EventSubscriptionArn": "arn:aws:sns:eu-west-1:489024636830:email-notifications:91018fd5-5f62-434f-9162-fd4635c5fef4",
      "Sns": {
        "Type": "Notification",
        "MessageId": "8bd15777-93da-5f6e-8577-01335b0028ee",
        "TopicArn": "arn:aws:sns:eu-west-1:.....my-email-topic",
        "Subject": "Delete PDP Context Notification",
        "Message": "{ \"description\": \"Delete PDP Context\",\"endpoint_name\": \"endpoint test 4\", \"endpoint_id\": \"9786194\"}",
        "Timestamp": "2019-11-12T14:50:02.083Z",
        "SignatureVersion": "1",
        "Signature": "aPysjKeP+Gd8KoHOaqd3a8Cg0z0LCmHZ1D944yr9dlIsy0R2mqgyqr4NtwojFu1JCnaf5vyBrSygq8Wm4EXi32vuquM7S7NzFnCBbtt4VBROsVTbHC3udtZi3kpKb/45isfNVRfB89HtLfuYUGcKShHdA35LeZvEM2+Ph/eJkXJClPNBL80ATj/Fqahr065ID/pprFlPWCVP9x9whalkerzt4keiMATTO7DA1Sr0l30A/9vm9Hv1hFbP8cnHHCCYNVs2bcTfxAQpoPcsAeNnmOaWgk7f8pEC0EcCvx4Kr8HwtCzndG0SawBWTCuHlsCpNejckLKAQm+J0IHWe5AS4w==",
        "SigningCertUrl": "https://sns.eu-west-1.amazonaws.com/SimpleNotificationService-6aad65c2.fda11f913f9.pem",
        "UnsubscribeUrl": "https://sns.eu-west-1.amazonaws.com/?Action=Unsubscribe&SubscriptionArn=arn:aws:sns:eu-west-1:.....my-email-topic:wd-e-434f-e-e",
        "MessageAttributes": {}
      }
    }
  ]
}