/// <summary>
        /// Validate a document for hospital signature and patient accuracy
        /// </summary>
        /// <param name="patient"></param>
        /// <param name="document"></param>
        /// <param name="signedMessage"></param>
        /// <param name="publicKey"></param>
        /// <returns>DocumentValidationResult</returns>
        public DocumentValidationResult ValidateDocument(long patientId, Document document, string signedMessage, string publicKey)
        {
            var forPateient = document.PatientId == patientId;
            RSACryptoServiceProvider importedKey = _signatureService.ImportPublicKey(publicKey);
            var hospitalSigned = _signatureService.VerifySignature(document.ToJson(), signedMessage, importedKey.ExportParameters(false));

            return(new DocumentValidationResult(forPateient && hospitalSigned, hospitalSigned, forPateient));
        }