chainknights

{
  "name": "st_system_buy",
  "base": "",
  "fields": [
    {
      "name": "player",
      "type": "name"
    },
    {
      "name": "mystery_shop_id",
      "type": "uint64"
    },
    {
      "name": "amt",
      "type": "uint64"
    }
  ]
}