curl --request GET \
  --url http://api.attention.tech/v2/scim/Users \
  --header 'Authorization: <api-key>'

{
  "schemas": [
    "urn:ietf:params:scim:schemas:core:2.0:User"
  ],
  "totalResults": 3,
  "startIndex": 1,
  "itemsPerPage": 3,
  "Resources": [
    {
      "id": "d0dd58e43ded4293a61a8760fcba0458",
      "externalId": "00ustvXq1A8UAuobW0f5",
      "meta": {
        "created": "04-17-2020 00:00:00",
        "lastModified": "04-17-2020 00:00:00",
        "version": "v1.0"
      },
      "schemas": [
        "urn:ietf:params:scim:schemas:core:2.0:User",
        "urn:scim:schemas:extension:okta:1.0"
      ],
      "userName": "steph.c@example.com",
      "displayName": " Steph Curry",
      "preferredLanguage": "en",
      "locale": "en-US",
      "timezone": "America/Los_Angeles",
      "active": true,
      "emails": [
        {
          "value": "steph.c@example.com",
          "type": "work",
          "primary": true
        }
      ],
      "phoneNumbers": [
        {
          "value": "123-444-5555",
          "type": "mobile"
        }
      ],
      "groups": [],
      "name": {
        "familyName": "Curry",
        "givenName": "Steph"
      },
      "urn:okta:onprem_app:1.0:user:custom": {
        "roleUUID": "84e67f54-5157-442b-a2b3-8b9c728b2fef"
      }
    }
  ]
}