curl --request POST \
  --url https://{subdomain}.storage.{region}.nhost.run/v1/ops/list-not-uploaded \
  --header 'X-Hasura-Admin-Secret: <api-key>'

{
  "metadata": [
    {
      "id": "d5e76ceb-77a2-4153-b7da-1f7c115b2ff2",
      "name": "profile-picture.jpg",
      "bucketId": "users-bucket",
      "isUploaded": true
    }
  ]
}