config: {
  data: '$generated',
  type: '$generated',
  prefer_animation: false,
},
invocations: [
  {
    decode_metadata {}
  },
  {
    decode_image {
      frame_index: 0,
      complete_frames_only: true
    }
  },
  {
    select_track {
      track_id: 0
    }
  },
  {
    decode_image {
      frame_index: 0,
      complete_frames_only: true
    }
  }
]