{
  "mainnet": {
    "state": true,
    "start": "2023-03-27T15:00:00+0900",
    "end": "2023-03-27T16:30:00+0900",
    "desc": "Maintenance for FCD Update"
  },
  "testnet": {
    "state": false,
    "start": "",
    "end": "",
    "desc": ""
  }
}