The delegate method didReceiveTrueProfileResponse: will return a TCTrueProfileResponse instance. Inside TCTrueProfileResponse class there are 3 important fields, payload, signature and signatureAlgorithm. Payload is a Base64 encoding of the json object containing all profile info of the user. Signature contains the payload's signature. You can forward these fields along with the signing algorithm back to your backend and verify the authenticity of the information by doing the following: