Objective C REST request, receive and parse json into dictionary

Objective C REST

- (void) sendRequest {
    
    receivedData = [[NSMutableData alloc] init];
    NSLog(@"Initial data length: %d",[receivedData length]);
        
    requestURL = [NSString stringWithFormat:@"<#URL HERE#>"];

    NSMutableURLRequest *request = [[NSMutableURLRequest alloc] init];
    [request setURL:[NSURL URLWithString:requestURL]];
    [request setHTTPMethod:@"GET"];
    NSURLConnection *connection = [[NSURLConnection alloc] initWithRequest:request delegate:self];
    [connection start];
    NSLog(@"connection Started");
    
}



#pragma mark -
#pragma mark NSURLConnection Delegates

- (void) connection:(NSURLConnection *)connection didFailWithError:(NSError *)error {
    NSLog(@"Failed with error: %@", error.description);
}

- (void)connection:(NSURLConnection *)connection didReceiveResponse:(NSURLResponse *)response {
    int responseCode = ((NSHTTPURLResponse*)response).statusCode;
    NSLog(@"Response: %d", responseCode );
    
    
}


- (void)connection:(NSURLConnection *)connection didReceiveData:(NSData *)data {
   [receivedData appendData:data];
}

- (void)connectionDidFinishLoading:(NSURLConnection *)connection {
    
    NSError *error;
    
    // Print the raw response
    NSLog(@"Data string: %@", [[NSString alloc] initWithData:receivedData encoding:NSUTF8StringEncoding]);
    

    NSLog(@"Connection did finish loading");

    
    NSDictionary* json = [NSJSONSerialization
                          JSONObjectWithData:receivedData
                          options:NSUTF8StringEncoding
                          error:&error];
    
    if (error) {
        NSLog(@"Parsing error: %@", error.description);
    }

    
    
    
}