curl --request POST \
  --url https://api.example.com/v1/subjects \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "input": {
    "scheme": {
      "type": "br:cnpj",
      "value": "12.345.678/0001-90"
    }
  },
  "match_op": "equals",
  "reference_id": "<string>",
  "subject_source": "<string>"
}
'

{
  "data": {
    "matches": [
      {
        "source_id": "<string>",
        "source_name": "<string>",
        "value": "<string>",
        "indexed_at": "2023-11-07T05:31:56Z",
        "properties": {}
      }
    ],
    "reference_id": "<string>",
    "subject_check": "ok"
  },
  "errors": [
    {
      "message": "<string>",
      "field": "<string>",
      "type": "<string>"
    }
  ],
  "meta": {
    "api_version": "v1",
    "lint": [
      {
        "code": "<string>",
        "message": "<string>",
        "severity": "warning",
        "path": "<string>"
      }
    ],
    "request_id": "<string>"
  }
}