Не могу разобрать JSON?

keyNotFound(App.Animals.(CodingKeys in _EBC6E47D2E8ACFFEC4B52F4698C3D2D3).animal, Swift.DecodingError.Context(codingPath: [], debugDescription: “No value associated with key animal (“animal”).”, underlyingError: nil))

func getAnimal() {
        
        guard let url = URL(string: "http://test.com/rest/animal") else { return }
        var request = URLRequest(url: url)
        request.httpMethod = "GET"
        request.addValue("application/json", forHTTPHeaderField: "Content-Type")
        request.addValue("application/json", forHTTPHeaderField: "Accepts")
        
        let session = URLSession.shared
        session.dataTask(with: request) { (data, response, error) in
            if let response = response {
                print(response)
                
            }
            
            if let data = data {
                do {
                    guard let json = try JSONSerialization.jsonObject(with: data, options: .mutableContainers) as? [String:Any] else {return}
                    print("(\n\n\n\n\n\(json)")
                    
                    let decoder = JSONDecoder()
                    let downloadedAnimals = try decoder.decode(Animals.self, from: data)
                    self.animals = downloadedAnimals.animal
                    print("my animal = \(self.animals)")
                    
                    DispatchQueue.main.async {
                        self.tableView.reloadData()
                    }
                    
                } catch {
                    print(error)
                }
            }
        }.resume()
      }


class Animals: Codable {
    let animal: [Animal]

init(animal: [Animal]) {
    self.animal = animal
}
}

class Animal: Codable {
    let animalName: [String]
    let animalAbout: [String]

init(animal_title: [String], animal_about: [String]){
    self.animalName = animal_title
    self.animalAbout = animal_about
}

 private enum CodingKeys: String, CodingKey {
        case animalName = "animal_title"
        case animalAbout = "animal_about"
    }
}

{«animals":[{"animal":{"animal_title":"hiking","animal_color":"Red","animal_birthdate":"02.04.2018","animal_image":{"src":"http:\/\/test.com\/sites\/default\/files\/IMG_20180322_175407_771.txt","alt":""},"animal_about":"bulb "}},{"animal":{"animal_title":"Random animal","animal_color":"Purple","dino_birthdate":"09.05.2005","dino_image":{"src":"http:\/\/dinotest.art-coral.com\/sites\/default\/files\/Free-shipping-Inflatable-Dinosaur-Costume-Fan-Operated-Adult-Kids-Size-Halloween-Cosplay-Animal-Dino-Rider-T_6.jpg","alt":""},"dino_about":"People's best friend"}},
{"dino":{"dino_title":"Terri","dino_color":"Green","dino_birthdate":"06.04.1988","dino_image":{"src":"http:\/\/dinotest.art-coral.com\/sites\/default\/files\/1-pihskuyxeeulvjfbwhjnlg.jpeg","alt":""},"dino_about":"Dinosaurs belong to a group known as archosaurs, which also includes modern crocodilians. Within the archosaur group, dinosaurs are differentiated most noticeably by their gait. Dinosaur legs extend directly beneath the body, whereas the legs of lizards and crocodilians sprawl out to either side."}}]}