curl --request POST \
  --url https://api.bigdata.com/v1/knowledge-graph/subsidiaries/query \
  --header 'Content-Type: application/json' \
  --header 'X-API-KEY: <api-key>' \
  --data '
{
  "identifier": {
    "type": "rp_entity_id",
    "value": "D8442A"
  }
}
'

{
  "results": [
    {
      "ultimate_parent_id": "D8442A",
      "ultimate_parent_name": "Apple Inc.",
      "immediate_parent_id": "D8442A",
      "immediate_parent_name": "Apple Inc.",
      "identifier": "07EB2B",
      "entity_name": "Apple Operations Ltd.",
      "level": 2
    },
    {
      "ultimate_parent_id": "D8442A",
      "ultimate_parent_name": "Apple Inc.",
      "immediate_parent_id": "MJT4QE",
      "immediate_parent_name": "Apple Retail Europe Ltd.",
      "identifier": "JY8BAE",
      "entity_name": "Apple Retail Sweden AB",
      "level": 4
    }
  ],
  "errors": [],
  "metadata": {
    "request_id": "07b5eb7e-5e6f-4ebf-b597-e3b4a7aa4250",
    "timestamp": "2026-03-31T17:13:34.289840+00:00",
    "rp_entity_id": "D8442A"
  }
}