struct Device: Codable {
    var name: String
    var manufacturer: String
}

struct User: Encodable {
    var name: String
    var username: String
    var phoneNumber: String
    var devices: [Device]
    
    enum CodingKeys: String, CodingKey {
        case name
        case username
        case phoneNumber = "phone_number"
        case devices
    }
}