curl --request GET \
  --url https://cloud.memsource.com/web/api2/v1/scim/Schemas/{schemaUrn}

{
  "id": "<string>",
  "name": "<string>",
  "description": "<string>",
  "attributes": [
    {
      "name": "<string>",
      "type": "STRING",
      "subAttributes": [
        {}
      ],
      "multiValued": true,
      "description": "<string>",
      "required": true,
      "caseExact": true,
      "mutability": "READ_ONLY",
      "returned": "ALWAYS",
      "uniqueness": "NONE"
    }
  ]
}