Usage:
  -certs string
    	Path to directory with client.pem, client-key.pem and ca.pem
  -cmd string
    	pub or sub (default "sub")
  -creds string
    	Path to credentials file
  -message string
    	Message to send (default "Hello World")
  -nats string
    	NATS URL (default "nats://localhost:4222")
  -subject string
    	NATS subject to use (default "test")
  -timeout duration
    	Subscriber timeout (default 30s)

$ go mod vendor
$ go build -mod=readonly natscmd.go

brew install tanelmae/brew/natscmd