{
  "tierConfigs": {
    "1": {
      "extractTickTime": 10,
      "essencePerCard": {
        "min": 1,
        "max": 1
      },
      "essencePerUpgrade": 10
    },
    "2": {
      "extractTickTime": 10,
      "essencePerCard": {
        "min": 8,
        "max": 8
      },
      "essencePerUpgrade": 40
    },
    "3": {
      "extractTickTime": 10,
      "essencePerCard": {
        "min": 32,
        "max": 32
      },
      "essencePerUpgrade": 120
    },
    "4": {
      "extractTickTime": 10,
      "essencePerCard": {
        "min": 96,
        "max": 96
      },
      "essencePerUpgrade": 320
    },
    "5": {
      "extractTickTime": 10,
      "essencePerCard": {
        "min": 256,
        "max": 256
      },
      "essencePerUpgrade": 640
    }
  }
}