{
  "activity_high_difficulty_1": {
    "bgNode": "ActivityHighDifficultyBackGroundv1d0"
  },
  "activity_high_difficulty_v1d1": {
    "bgNode": "ActivityHighDifficultyBackGroundv1d1"
  },
  "activity_high_difficulty_v1d2": {
    "bgNode": "ActivityHighDifficultyBackGroundv1d2"
  },
  "activity_high_difficulty_v1d3": {
    "bgNode": "ActivityHighDifficultyBackGroundv1d3"
  },
  "activity_high_difficulty_v1d4": {
    "bgNode": "ActivityHighDifficultyBackGroundv1d4"
  },
  "activity_high_difficulty_v1d5": {
    "bgNode": "ActivityHighDifficultyBackGroundv1d5"
  },
  "activity_high_difficulty_v1d6": {
    "bgNode": "ActivityHighDifficultyBackGroundv1d6"
  }
}