
    /// Returns the Authentication Token
    var tokenWithoutInsightsProperties: String {
        let headerBase64 = Data(header.utf8).base64EncodedString()
        let payloadBase64 = Data(payloadWithoutInsightsProperties.utf8).base64EncodedString()
        let signatureBase64 = Data("fake Signature".utf8).base64EncodedString()

        return "\(headerBase64).\(payloadBase64).\(signatureBase64)"
    }

    private var payloadWithoutInsightsProperties: String {
        let currentDate = Date()
        let expireIn = buildFutureDate(baseDate: currentDate, minute: minuteExpireIn)
        return """
        {