Facebook events

Opt in

{
    "eventId": "29d0141d-e2a2-4732-bcdc-c6b402813d76",
    "payload": {
        "fbMessengerId": "1924625277645988",
        "profileId": "[email protected]",
        "stateData": {
            "profileId": "[email protected]"
        },
        "ref": "cd0756b9177796787257ca5ca7409040296a23fac233e486c9df0a0ad4fa3f17c4204157729fe702fe31f9fd6de524c2cRp2jzdJ2yOoxOr6/KnOsnXKGsDmdpaka+k6jGfJsl/nsgDZIdOY54FAOA7nzlZWtC7/9KMMfZBA9atPllXkbvzeOtTchKRHNo+SjWeUopRU=",
        "rawData": {
            "recipient": {
                "id": "178143536105220"
            },
            "timestamp": 1496156204158,
            "sender": {
                "id": "1924625277645988"
            },
            "optin": {
                "ref": "cd0756b9177796787257ca5ca7409040296a23fac233e486c9df0a0ad4fa3f17c4204157729fe702fe31f9fd6de524c2cRp2jzdJ2yOoxOr6/KnOsnXKGsDmdpaka+k6jGfJsl/nsgDZIdOY54FAOA7nzlZWtC7/9KMMfZBA9atPllXkbvzeOtTchKRHNo+SjWeUopRU="
            }
        },
        "pageId": "123143536805220"
    },
    "accountId": 1234,
    "apiSpaceId": "f342e8af-5fc3-41d4-a38c-034535c0a385",
    "name": "facebook.optin",
    "timestamp": "2017-05-30T14:56:44.600Z"
}