JSON data keep on returning nil - json

Question

So I have successfully declared some variables obtained by JsonDictionary, but keep on getting nil, here's my code when declaring the variables:
var userName : String!
var text : String!
var name : String!
var tweetID : [NSObject : String]!
var tweetIDStr : String!
var userLocation : String!
var UserImgURLStr : String?
var options : NSJSONReadingOptions!
init(jsonDataDictiony : [String : AnyObject])
{
self.text = jsonDataDictiony["text"] as! String
self.tweetIDStr = jsonDataDictiony["id_str"] as! String
//print(jsonDataDictiony)
if let userDictionary = jsonDataDictiony["user"] as? [String : AnyObject]
{
self.userName = userDictionary["screen_name"] as! String
self.userLocation = userDictionary["location"] as! String
self.name = userDictionary["name"] as! String
}
print(self.text)
print(self.userName)
print(self.userLocation)
print(self.tweetIDStr)
print("-")
}
func castStringToDictionary()
{
let jsonData : NSData = tweetIDStr.dataUsingEncoding(NSUTF8StringEncoding)!
self.tweetID = try! NSJSONSerialization.JSONObjectWithData(jsonData, options: options) as! [NSObject : String]
}
and this is the code when trying to call the function (different class):
var selectedTweet : Tweet!
var twitterNetworkController : NetworkController!
var theTweet = [Tweet]()
override func viewDidLoad()
{
super.viewDidLoad()
self.navigationItem.title = selectedTweet.name + "'s tweet"
twitterNetworkController.fetchTweetID(selectedTweet.tweetID!)
//it gets a nil value here ^
{
(results, error) in
if error == nil
{
self.theTweet = results!
self.selectedFeedTableView.reloadData()
}
else
{
print(error)
}
}
}
Here's the console print:
["in_reply_to_user_id": , "possibly_sensitive_appealable": 0, "favorite_count": 0, "possibly_sensitive": 0, "in_reply_to_status_id": , "in_reply_to_user_id_str": , "lang": en, "favorited": 0, "id": 736420019152637952, "text": 🐐 (at Sate Tegal Marem) — url, "coordinates": , "geo": , "user": {
"contributors_enabled" = 0;
"created_at" = "Mon May 21 09:06:46 +0000 2012";
"default_profile" = 0;
"default_profile_image" = 0;
description = "\Uad1c\Ucc2e\Uc744\Ud150\Ub370 \U2b50";
entities = {
description = {
urls = (
);
};
};
"favourites_count" = 11;
"follow_request_sent" = 0;
"followers_count" = 155;
following = 1;
"friends_count" = 134;
"geo_enabled" = 0;
"has_extended_profile" = 0;
id = 586390966;
"id_str" = 586390966;
"is_translation_enabled" = 0;
"is_translator" = 0;
lang = en;
"listed_count" = 0;
location = "";
name = "tania.";
notifications = 0;
"profile_background_color" = B4DEBA;
"profile_background_image_url" = img url;
"profile_background_image_url_https" = img url;
"profile_background_tile" = 0;
"profile_banner_url" = banner url = img url;
"profile_image_url_https" = img url;
"profile_link_color" = 44A681;
"profile_sidebar_border_color" = FFFFFF;
"profile_sidebar_fill_color" = FFFFFF;
"profile_text_color" = 333333;
"profile_use_background_image" = 1;
protected = 0;
"screen_name" = "tania_alice";
"statuses_count" = 2332;
"time_zone" = Jakarta;
url = "";
"utc_offset" = 25200;
verified = 0;
}, "id_str": 736420019152637952, "created_at": Sat May 28 04:53:09 +0000 2016,
I replaced all the urls since it gave error (my reputation is less than 10 and I cannot post urls)