POST /oauth/token HTTP/1.1
    Host: localhost:8080
    Content-Type: application/x-www-form-urlencoded
    Authorization: Basic YXBwbGljYXRpb246c2VjcmV0
    Cache-Control: no-cache
    Postman-Token: dd73af0a-4617-4a0d-9164-082ee09bfad2

    grant_type=password&username=myusername&password=myPassword