Example response

{
  "message": "All sandboxes deleted successfully",
  "deleted_count": 3,
  "deleted_ids": [
    "sbx_x1y2z3a4b5c6d7e8",
    "sbx_y2z3a4b5c6d7e8f9",
    "sbx_z3a4b5c6d7e8f9g0"
  ],
  "storage_deleted_count": 3
}