curl --request GET \
  --url https://api.icepanel.io/v1/landscapes/{landscapeId}/versions/{versionId}/export/json \
  --header 'Authorization: <authorization>'

{
  "domains": {},
  "flows": {},
  "modelConnections": {},
  "modelObjects": {},
  "tagGroups": {},
  "tags": {},
  "teams": {},
  "technologies": {}
}