How to create an NSDictionary with multiple keys?

Question

I am not sure if what I am going to ask is actually an NSDictionary with multiple keys but ok.

What I want to do is create an NSDictionary

Answer 1

Here is the structure:
Your root object is NSMutableDictionary
eventData - key for object NSMutableDictionary with keys and objects:
->key eventDate object NSString
->key eventLocation object NSMutableDictionary with keys and objects:
----> key latitude object NSNumber
----> key longitude object NSNumber
-> key text object NSString
-> key imageData object NSString later converted to NSData
-> key imageFormat object NSString
-> key expirationTime object NSNumber
type key for object NSString
title key for object NSString