code: function changeSettings(account, settings, secret, options, callback) {
    var transaction = createSettingsTransaction(account, settings);
    var converter = _.partial(
      TxToRestConverter.parseSettingsResponseFromTx, settings);
    transact(transaction, this, secret, options, converter, callback);
  }
docs: Change account settings
  
  @body
  @param {Settings} request.body.settings
  @param {String} request.body.secret
  
  @query
  @param {String "true"|"false"} request.query.validated Used to force request
  to wait until rippled has finished validating the submitted transaction