fetch('https://api.example.com/animation', {
  method: 'POST',
  headers: { 'Content-Type': 'application/json' },
  body: JSON.stringify({
    modelUrl: 'https://example.com/model.obj',
    name: 'My Animation'
  })
})
.then(response => response.json())
.then(data => console.log(data))