gistfile1.txt

import Foundation

struct Temperatures: Codable {
    let data: DataClass
}

struct DataClass: Codable {
    let de: De

    enum CodingKeys: String, CodingKey {
        case de = "DE"
    }
}

struct De: Codable {
    let isoAlpha2, name, continent: String
    let advisory: Advisory

    enum CodingKeys: String, CodingKey {
        case isoAlpha2 = "iso_alpha2"
        case name, continent, advisory
    }
}

struct Advisory: Codable {
    let score: Double
    let sourcesActive: Int
    let message, updated: String
    let source: String

    enum CodingKeys: String, CodingKey {
        case score
        case sourcesActive = "sources_active"
        case message, updated, source
    }
}