{
  "fusionCostSequence": [
    {
      "id": 1,
      "forgeID": 1,
      "fusionTargetLevelIterationIndex": 1,
      "costJSONKey": "I",
      "costAmount": 4800
    },
    {
      "id": 2,
      "forgeID": 1,
      "fusionTargetLevelIterationIndex": 2,
      "costJSONKey": "C",
      "costAmount": 4000
    },
    {
      "id": 3,
      "forgeID": 1,
      "fusionTargetLevelIterationIndex": 3,
      "costJSONKey": "O",
      "costAmount": 2600
    },
    {
      "id": 4,
      "forgeID": 1,
      "fusionTargetLevelIterationIndex": 4,
      "costJSONKey": "G",
      "costAmount": 2000
    }
  ]
}