De-obfuscation of Contentful's model back to JSON

ContenfulEntry+JSON.swift

extension Entry {
    
    fileprivate static let contenfulEntryIDKey = "id"
    
    var jsonResponse : [String : Any] {
        var entryFields = fields
        entryFields[Entry.contenfulEntryIDKey] = id
        
        for (key, value) in entryFields
        {
            if let linkedArray = value as? [Link]
            {
                entryFields[key] = jsonArray(for : linkedArray)
            }
        }
        return entryFields
    }
    
    fileprivate func jsonArray(for linkedArray : [Link]) -> [[String : Any]] {
        return linkedArray.filter {
            $0.entry != nil
        }.map {
            $0.entry!.jsonResponse
        }
    }
}