To connect to the SSH and list the files just use the file handling nodes
Connect
Add file Port on the lower left side (the …) e.g. in the list files nodes and connect to the ssh connection
Same for the download via transfer files
For the PGP decrypt you then just need to select the downloaded pgp file, where the decrypted file needs to be saved (in your case then target file eith .json filetype) and your keyfile/password for the actual decryption
Thank you so much for your responses! The issue was the directory that I was using, now I can see the data. I used the nodes you mentioned to move my data.