manifest.json

{
  "datasets": [
    {
      "folder_path": "datasets/dataset_0/images"
    },
    {
      "folder_path": "datasets/dataset_1/images"
    },
    {
      "folder_path": "datasets/dataset_2/images"
    },
    {
      "folder_path": "datasets/dataset_3/images"
    }
  ],
  "samples": []
}