Use the `tls=1` and the set the the `tlscert` and `tlskey` query
string params. The cert and key files must be on the tile38
server and the Nats server must be started using the same files.
nats://54.12.34.121:4222/fleet?tls=1&tlscert=cert.crt&tlskey=cert.key
feba00040e