Create new Session

{
    "name": "newsession",
    "status": "STARTING",
    "config": {
        "metadata": {
            "user_id": "4580",
            "display_name": "Wawp support",
            "user_email": "email@sitename.tld",
            "access_token": "123456789",
            "instance_id": "123456789"
        }
    }
}