gistfile1.txt

// Enum with type as type of the content
// Assciated value will hold the actual content data
enum BodyContent {
    case number(Int)
    case text(String)
    case unsupported
}

// Now we can represent our Models as
struct Content: Decodable {
    var body: [BodyContent]
}

// We need to implement Decodable protocol for this enum
extension BodyContent: Decodable {
    private enum CodingKeys: String, CodingKey {
        case type
        case content
    }
    
    init(from decoder: Decoder) throws {
        let container = try decoder.container(keyedBy: CodingKeys.self)
        let type = try container.decode(String.self, forKey: .type)
        
        switch type {
        case "int":
            let payload = try? container.decode(Int.self, forKey: .content)
            self = payload.map { .number($0) } ?? .unsupported
        case "string":
            let payload = try? container.decode(String.self, forKey: .content)
            self = payload.map { .text($0) } ?? .unsupported
        default:
            self = .unsupported
        }
    }
}