{
  "botToken": "bot token from @BotFather",
  "apiUrl": "(optional) can be used if you are using your bot server",
  "clientConfig": {
    "proxy": {
      "host": "localhost",
      "port": 1080,
      "username": "optional",
      "password": "optional"
    },
    "connectTimeout": "(optional) number, milliseconds",
    "writeTimeout": "(optional) number, milliseconds",
    "readTimeout": "(optional) number, milliseconds"
  }
}