{
  "1": {
    "class_type": "LoadImage",
    "inputs": {
      "image": "input.png"
    }
  },
  "2": {
    "class_type": "UpscaleModelLoader",
    "inputs": {
      "model_name": "RealESRGAN_x4plus.pth"
    }
  },
  "3": {
    "class_type": "ImageUpscaleWithModel",
    "inputs": {
      "upscale_model": [
        "2",
        0
      ],
      "image": [
        "1",
        0
      ]
    }
  },
  "4": {
    "class_type": "SaveImage",
    "inputs": {
      "images": [
        "3",
        0
      ],
      "filename_prefix": "comfy-cluster/upscale"
    }
  }
}