resetfull API with json result

Question

I have a rest_client API that return data as JSON like this

 

response_body {"Type":"PRE","Stype":"1","IsIndividual":"True"}

 

I am using restfull API, then I use Decision that read data returned from API, I want check if the Type return from API = PRE

 

the problem that I can't read the data inside the JSON result and store it in parameter

 

how I can save the data return from JSON in parameter to use it