**To sign up a user**
This example signs up jane@example.com.
Command::
aws cognito-idp sign-up --client-id 3n4b5urk1ft4fl3mg5e62d9ado --username jane@example.com --password PASSWORD --user-attributes Name="email",Value="jane@example.com" Name="name",Value="Jane"
Output::
{
"UserConfirmed": false,
"UserSub": "e04d60a6-45dc-441c-a40b-e25a787d4862"
}