NATS Account Configuration
NATS account configurations are built using the nsc tool. The NSC tool allows you to:
- Create and Edit Operators, Accounts, Users
 - Manage subscribe and publish permissions for Users
 - Add and delete Exports and Imports
 - Generate Activations
 - Generate User credential files
 - Describe Operators, Accounts, Users, and Activations
 
Installation
Installing nsc is easy:
curl -L https://raw.githubusercontent.com/nats-io/nsc/master/install.py | python
The script will download the latest version of nsc and install it into your system. 
Tutorials
You can find various task-oriented tutorials to working with the tool here:
Tool Documentation
For more specific browsing of the tool syntax, check out the nsc tool documentation.
It can be found within the tool itself:
> nsc help
Or an online version here