{
  "event": {
    "header": {
      "namespace": "Alexa.SimpleEventSource",
      "name": "Event",
      "instance": "Unique identifier, preferably a version 4 UUID",
      "messageId": "Unique identifier, preferably a version 4 UUID",
      "payloadVersion": "1.0"
    },
    "endpoint": {
      "scope": {
        "type": "BearerToken",
        "token": "OAuth2 bearer token"
      },
      "endpointId": "Endpoint id",
      "cookie": {}
    },
    "payload": {
      "id": "Button.SinglePush.1",
      "timestamp": "2021-12-12T16:20:50.52Z"
    }
  }
}