gistfile1.txt

var S = require('stellar-sdk');
var kp = S.Keypair.random();
var account = new S.Account(kp.accountId(), "1");
var transaction = new S.TransactionBuilder(account).addOperation(S.Operation.createAccount({
               destination: kp.accountId(),
               startingBalance: "100.00",
           })).build();
transaction.sign(kp);
console.log(transaction.toEnvelope().toXDR('base64'));