curl --request GET \
  --url https://api.tupana.ai/v1/master-entities \
  --header 'Authorization: <api-key>'

{
  "id": 371,
  "tax_id": "76.798.398-0",
  "name": "SUPLO SPA",
  "email": null,
  "addresses": [
    {
      "id": 6,
      "address": "AV TAJAMAR 183 OF 401   OFIC",
      "district": {
        "id": 7,
        "name": "LAS CONDES",
        "city": {
          "id": 3,
          "name": "SANTIAGO"
        }
      },
      "sii_branch_code": null,
      "phone": null
    }
  ],
  "activities": [
    {
      "id": 1,
      "code": "620900",
      "name": "OTRAS ACTIVIDADES DE TECNOLOGIA DE LA IN"
    }
  ]
}