threecountry

{
  "name": "st_box_model",
  "base": "",
  "fields": [
    {
      "name": "code",
      "type": "uint64"
    },
    {
      "name": "name",
      "type": "string"
    },
    {
      "name": "level",
      "type": "uint32"
    },
    {
      "name": "lock_time",
      "type": "uint64"
    }
  ]
}