jsonURL = https://contentdelivery.itunes.apple.com/WebObjects/MZLabelService.woa/json/MZITunesProducerService
jsonRequest as dictionary = {
    id = "20211209172853-033";
    jsonrpc = "2.0";
    method = validatePurpleSoftwareAttributes;
    params =     {
        AppleID = 1491141883;
        Application = altool;
        ApplicationBundleId = "com.apple.itunes.altool";
        Base64EncodedFiles =         {
            "swinfo-output.xml" =             {
                Checksum = 1d60464dc9ab4d24fa5f1c73cffb6fff;
                GzipContent = "H4sIAAAAAAAAE+y9WXMcx5U/+j6fIu07Dr0ATZFaLPv6bxkkQJEWAcIESFt6cWR3JboLXV3VrKXJxsMN\U2026";
            };
        };
        FrameworkVersions =         {
            "com.apple.itunes.connect.ITunesConnectFoundation" = "4.060 (1220)";
            "com.apple.itunes.connect.ITunesPackage" = "4.060 (1220)";
        };
        OSIdentifier = "Mac OS X 11.6.1 (x86_64)";
        SoftwareTypeEnum = ios;
        ValidationOnly = true;
        Version = "4.060 (1220)";
    };
}
Setting request length to: 4857315
*** Error: Server returned an invalid MIME type: text/html, body: Something went wrong here! Correlation Key: 6RRMQPMLFSZPEC4OCEBSS7YQWY