CyberChef helped me decode the URL: It was a zlib deflate and a URL-safe Base64 code. https://gchq.github.io/CyberChef/#recipe=From_Base64('A-Za-z0-9-_',false

CyberChef helped me decode the URL: It was a zlib deflate and a URL-safe Base64 code. https://gchq.github.io/CyberChef/#recipe=From_Base64('A-Za-z0-9-_',false)Zlib_Inflate(0,0,'Adaptive',false,false)From_Quoted_Printable()&input=ZUp5TmpMME9nekFRZzUtR2JLQmNPQUlaTXJSUVhnUGw3eWdTaEtwTjFkY3ZvQTRka2V6QmxqOTdqYzVDRFd6U2dndmdsY0RkeUFzb1VNcTI3N29PaGJyZUJMUVpjaHZpbUV3czNMcXd1M1lLRkRsRkhCdkhxNXE3V29WZ1NLRVRFb1VuTnV0N1NvOVhWbDR5MFdfNnc3ZkVudnBYd0hZOUxtYWFqLU9rUzZpRE5FUTVKMGs1LW1CejZ3UGxwa0pIalRKR1FjWHNPNlUxLXZVVGg3Q3p3LVRQZ2NmNjFQUUxVdFJWdXc https://gchq.github.io/CyberChef/#recipe=From_Base64('A-Za-z... Update: Finishing reading the article, someone beat me to this.