{
    "id": <uuid>,
    "message": <string>,
    "subject": <string>,
    "activates": <timestamp>,
    "expires": <timestamp>,
    "sender_name": <string>,
    "sender_email": <string>,
    "pgp_encrypted": <boolean>, // indicates if files were PGP encrypted
    "private_key": <string>, // contains receiver's private PGP key (password protected)
    "enable_pgp": <boolean>, // indicates if PGP is enabled account-wise
    "status": <string>,
    "share_type": <string>
}