Create a User with Email Only

import { Turnkey } from "@turnkey/sdk-browser";

const turnkey = new Turnkey({
  apiBaseUrl: "https://api.turnkey.com",
  defaultOrganizationId: process.env.TURNKEY_ORGANIZATION_ID,
});

import { DEFAULT_ETHEREUM_ACCOUNTS } from "@turnkey/sdk-browser;"

const subOrganizationConfig = {
  subOrganizationName: <subOrganizationName>,
  rootUsers: [{
    userName: <userEmail>,
    userEmail: <userEmail>,
    apiKeys: [],
    authenticators: [],
    oauthProviders: []
  }],
  rootQuorumThreshold: 1,
  wallet: {
    walletName: <walletName>,
    accounts: DEFAULT_ETHEREUM_ACCOUNTS
  }
};

await turnkey.serverSign("createSubOrganization", [subOrganizationConfig]);