const options = {
  method: 'POST',
  headers: {'Content-Type': 'application/json'},
  body: JSON.stringify({
    name: '<string>',
    managementAddress: '<string>',
    model: '<string>',
    portCount: 123
  })
};

fetch('https://api.example.com/v1/regions/{region}/infrastructure/switches', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

{
  "success": true,
  "data": {
    "id": "<string>",
    "name": "<string>",
    "managementAddress": "<string>",
    "status": "active",
    "model": "<string>",
    "portCount": 123,
    "createdAt": "2023-11-07T05:31:56Z"
  }
}