Пожалуйста, смотрите код ниже, чтобы получить все внутренние ключи и значения
var popularDestArr = [String:[String : Any]]()
popularDestArr = [
"1abc":["image":"best_of_ott_001", "title":"dubaiHotelsStr","subtitle":"(243 Hotels)"],
"2def":["image":"best_of_ott_002", "title":"parisHotelsStr","subtitle":"(434 Hotels)"],
"3ghi":["image":"best_of_ott_003", "title":"istanbulHotelsStr","subtitle":"(151 Hotels)"]
]
//print((popularDestArr as NSDictionary).allKeys)
//print(((popularDestArr as NSDictionary).allValues[0]) as! NSDictionary)
for arr in popularDestArr{
let dict: [String : Any] = arr.value
//print(dict)
for (key,value) in dict{
print(key)
print(value)
}
}