Check out the examples here.
The privacy policy is not actually contained in the transaction metadata. It’s just a function of the senders wallet. However, you can get a pretty good idea about it per the address you received the funds at. If it was received transparent, then the minimum policy would have been ‘AllowRevealedRecipients’
Ill find some better examples
(I don’t know if anybody has actually asked about the curl version of the command)