jiamaozheng

[self.apiClient retrieveConnectedServicesWithSuccessBlock:^(NSDictionary *services) {
    NSArray *facebookTokens = services[@"facebook"];
    if (facebookTokens.count == 0) {
        return;
    }
    
    NSDictionary *mostRecentFacebookTokenDict = facebookTokens[0];

    NSNumber *refreshTimeNumber = mostRecentFacebookTokenDict[@"refreshTime"];
    NSDate *refreshDate = [NSDate dateWithTimeIntervalSince1970:[refreshTimeNumber doubleValue]];