AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManager manager];
            manager.requestSerializer = [AFJSONRequestSerializer serializer];
            
            
            // This usually would be a subclass of AFHTTPSessionManager
            AFSecurityPolicy *securityPolicy = [AFSecurityPolicy policyWithPinningMode:AFSSLPinningModeNone];
            manager.securityPolicy = securityPolicy;
            manager.securityPolicy.allowInvalidCertificates = YES;
            manager.securityPolicy.validatesDomainName = NO;