$jwt-cracker "..." "demo" 4
/usr/local/lib/node_modules/jwt-cracker/index.js:49
const [header, payload, signature] = token.split('.');
^
SyntaxError: Unexpected token [
at exports.runInThisContext (vm.js:53:16)
at Module._compile (module.js:374:25)
at Object.Module._extensions..js (module.js:417:10)
at Module.load (module.js:344:32)
at Function.Module._load (module.js:301:12)
at Function.Module.runMain (module.js:442:10)
at startup (node.js:136:18)
at node.js:966:3