curl --request GET \
  --url https://api.signa.so/v1/owners/search \
  --header 'Authorization: Bearer <token>'

{
  "success": true,
  "data": {
    "results": [
      {
        "owner_id": "<string>",
        "name": "<string>",
        "normalized_name": "<string>",
        "country": "<string>",
        "entity_type": "<string>",
        "trademark_count": 123,
        "jurisdictions": [
          "<string>"
        ]
      }
    ]
  }
}