How to verify the Json response text from api

Hi

Just need to verify quick if the response text in json response

{
    "genid": "casde3e9bfe-1376-41f6-ad1",
    "fileDetails": "fileone.txt",
    "fileUpload": "success"
}

Unable to verify element text

def parsedjson = slurper.parseText(response.getResponseBodyContent())
println(parsedjson)

WS.verifyElementText(response, ‘parsedjson’, ‘success’)

Fixed !! Make it work with assert statement

assert parsedjson.fileUpload == 'success'