on (except for JWT authentication), all clients can publish and subscribe to anything unless explicitly configured otherwise. To protect clients and information, you have to carve the subject space and permission clients carefully.</p>
<p><em>Accounts</em> allow the grouping of clients, <em>isolating</em> them from clients in other accounts, thus enabling <em>multi-tenancy</em> in the server. With accounts, the subject space is not globally shared, greatly simplifying the messaging environment. Instead of d