string userAccountLoginToken = File.ReadAllText(TokenPath);
            var credentialsWithProvidedToken = new PlatformRefreshTokenCredential(userAccountLoginToken);

            // log in with our user account
            ServiceAccountServiceClient userAccountServiceClient =
                ServiceAccountServiceClient.Create(credentials: credentialsWithProvidedToken);

            // create permissions
            var permProject = new Permission
            {
                Parts = { new RepeatedField<string> { "prj", ProjectName, "*" } },
                Verbs =
                {
                    new RepeatedField<Permission.Types.Verb>
                    {
                        Permission.Types.Verb.Read,
                        Permission.Types.Verb.Write
                    }
                }
            };

            var permServices = new Permission
            {
                Parts = { new RepeatedField<string> { "srv", "*" } },
                Verbs =
                {
                    new RepeatedField<Permission.Types.Verb>
                    {
                        Permission.Types.Verb.Read
                    }
                }
            };