Get type API response

Hello Developers,

I am call get type api it's status code StatusCode: 200, ReasonPhrase: 'OK', Version: 1.1

But in this line i am getting text not json var Data = response.Content.ReadAsStringAsync().Result;

i Attach 3 image for show my issue

1. In image 1st getting text In coding.
2. In image 2nd api worked success i select text in postman then show text in response field that is show in coding.
3. In image 3rd i select Json in postman then show json in response field i need this json in coding.