yeah - I got it.... !!!! :):):)
the correct curl command looks like:
curl -H "Content-Type: text/plain;charset=UTF-8\r\n" -H "Accept-Encoding: gzip, deflate\r\n" -H "Accept-Language: de,en-US;q=0.7,en;q=0.3\r\n" -H "User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:75.0)...