[
{
"event":"recipient_subscribed",
"fired_at": "2019-07-13T16:47+00:00",
"data":{
"email": "max@mustermann.de",
"first_name": "Max",
"last_name": "Mustermann",
"unsubscribed": true,
...
}
},
{
"event": ...,
...
}
]