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

{
  "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"
  }
}