curl --request GET \
  --url https://{instance}.omniapp.co/api/scim/v2/embed/users \
  --header 'Authorization: Bearer <token>'

{
  "Resources": [
    {
      "embedExternalId": "<string>",
      "embedEntity": "<string>",
      "embedEmail": "<string>"
    }
  ],
  "itemsPerPage": 123,
  "totalResults": 123,
  "startIndex": 123
}