curl --request GET \
  --url https://{workspaceId}.clinia.cloud/mdm/v1/relative-identity-collections \
  --header 'X-Clinia-API-Key: <api-key>'

{
  "meta": {
    "numPages": 123,
    "page": 123,
    "perPage": 123,
    "total": 123
  },
  "data": [
    {
      "key": "<string>",
      "config": {
        "type": "SEQUENCE",
        "offset": 123
      },
      "differentiators": {},
      "status": "ACTIVE"
    }
  ]
}