ExternalSubscriber

{
    "uuid": "string",
    "first_name": "string",
    "last_name": "string",
    "email": "user@example.com",
    "is_subscribed": true,
    "unsubscribed_at": "string",
    "recieved_count": 0,
    "opened_count": 0,
    "tags": [
        "string"
    ],
    "created_at": "string",
    "updated_at": "string"
}