JWT Token Not Generated

I have installed this app, I'm getting the Oauth token

{
    "message": "Logged In",
    "home_page": "/app",
    "full_name": "Administrator",
    "token": "1W71WFMS33ZZWLXv5Jv3NfG9YXT6jR"
}

Is there any way to get the JWT Token?
