POST /auth/connect/token HTTP/1.1
Host: playoo.pl.dev
Authorization: Basic bW9iaWxlY2xpZW50OnNlY3JldA==
Cache-Control: no-cache
Postman-Token: 8aa2b86f-348d-58db-0158-fe317c4fef49
Content-Type: application/x-www-form-urlencoded

username=kuba%40playoo.pl&password=kubakuba&scope=api&grant_type=password