aws cognito-idp admin-get-user --user-pool-id us-east-2_eeMGPsAAA --username [email protected]
{
    "Username": "38660627-e5f1-43cf-b674-3df3369604b3",
    "UserAttributes": [
        {
            "Name": "sub",
            "Value": "38660627-e5f1-43cf-b674-3df3369604b3"
        },
        {
            "Name": "email_verified",
            "Value": "true"
        },
        {
            "Name": "name",
            "Value": "[email protected]"
        },
        {
            "Name": "phone_number_verified",
            "Value": "false"
        },
        {
            "Name": "phone_number",
            "Value": "+12135621930"
        },
        {
            "Name": "email",
            "Value": "[email protected]"
        },
        {
            "Name": "custom:PersonID",
            "Value": "92221"
        }
    ],
    "UserCreateDate": "2022-07-04T08:44:57.058000+07:00",
    "UserLastModifiedDate": "2022-07-04T09:11:14.890000+07:00",
    "Enabled": true,
    "UserStatus": "CONFIRMED",
    "PreferredMfaSetting": "SMS_MFA",
    "UserMFASettingList": [
        "SMS_MFA"
    ]
}

us-east-2_eeMGPsAAA is COGNITO_USER_POOL_ID and [email protected] is registered email.