curl --request GET \
  --url https://api.tread-horizon.com/v1/companies/{company-id}/managed_companies/{managed-company-id}/equipment_types \
  --header 'Authorization: Bearer <token>'

{
  "data": [
    {
      "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "name": "<string>",
      "system": true,
      "external_id": "<string>",
      "gross_capacity": "<string>",
      "source": "driver_app",
      "accounting_id": "<string>",
      "additional_gross_capacities": [
        {
          "capacity": "<string>",
          "unit_of_measure": "Load"
        }
      ],
      "created_at": "2023-11-07T05:31:56Z",
      "updated_at": "2023-11-07T05:31:56Z",
      "gross_capacity_unit_of_measure": "Load"
    }
  ]
}