App messaging: Session events

Started

{
    "eventId": "fca90836-a688-43d2-8532-58d5e3e8cad2",
    "accountId": 1234,
    "apiSpaceId": "fb42e8af-5fc3-40d4-a38c-034535c0a385",
    "name": "session.sessionStarted",
    "payload": {
        "authenticationId": "f90fb6de-af55-4ecd-8005-04f17e82deba",
        "deviceId": "909b21ec-3214-4aa5-b128-bb124eda7225",
        "platform": "javascript",
        "platformVersion": "58",
        "sdkType": "native",
        "sdkVersion": "1.0.1.2",
        "sourceIp": "10.255.0.3",
        "startedOn": "2017-05-31T16:06:19.589Z",
        "expiresOn": "2017-05-31T16:16:19.589Z",
        "profileId": "[email protected]",
        "id": "f90fb6de-af55-4ecd-8005-04f17e82deba"
    },
    "revision": 1,
    "etag": "\"2e-/5mDxQJgm8S7AWKMI4itMec7Hdw\"",
    "timestamp": "2017-05-31T16:06:19.638Z"
}