Hey, i want to make a data stored per accounts using kinde typescript, how to do it?

// Example function to send macros and exercise data to your API endpoint
function updateUserData(macros, exercise) {
  fetch('/api/updateUserData', {
    method: 'POST',
    headers: {
      'Content-Type': 'application/json',
    },
    body: JSON.stringify({ macros, exercise }),
  })
  .then(response => response.json())
  .then(data => console.log('Success:', data))
  .catch((error) => console.error('Error:', error));
}

// Example function to send macros and exercise data to your API endpoint
function updateUserData(macros, exercise) {
  fetch('/api/updateUserData', {
    method: 'POST',
    headers: {
      'Content-Type': 'application/json',
    },
    body: JSON.stringify({ macros, exercise }),
  })
  .then(response => response.json())
  .then(data => console.log('Success:', data))
  .catch((error) => console.error('Error:', error));
}