curl --request POST \
  --url https://api.datalinks.com/api/v1/upload/multipart/{username}/{namespace}/{datasetName}/prepare \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "filename": "large-data.csv",
  "size": 73473457
}'

{
  "uploadId": "2~VmxqYXRlRDZWfjJrRWRiZ2FEQXk3dHI4DGhGLygtTmQNXEZPQXFzMVZOZTUgdEdrXCEyNStkQUp3U3Q2RjJqSkV4MFNBOWxJCk0yIHEkfcQ",
  "key": "uploads/data/20240301-143022-uuid.json",
  "partSize": 8388608,
  "presignedUrls": [
    {
      "url": "https://my-data-bucket.s3.amazonaws.com/uploads/data/20240301-143022-uuid.json?partNumber=1&uploadId=..."
    }
  ]
}