Content-Type header is being ignored

[marck7jr]

For some reason when I specify the 'Content-Type' in the headers of the request, Nightingale ignore the values resulting in a 400 status code response as you can see below:

But if you put the key value in quotation marks, the application tries to request with the provided values, but of course, it doesn't work too:

Through other application like SoapUI, the request works fine:

[wisecoders]

any luck? we cannot make calls to Okta as it strictly requires Content-Type:application/x-www-form-urlencoded; charset=UTF-8