cooltime is not working

hello
I'm going to apply cooltime
but cooltime is not working
did i make any mistake?
this is my config

"Type": "Command",
          "ID": 1247647048,
          "Image": "",
          "Permission": "",
          "Title": "",
          "Description": "",
          "Command (%steamid%)": "spawnboss 나이트메어 레이드 보스",
          "Kit": "",
          "Plugin": {
            "Hook": "",
            "Plugin Name": "",
            "Amount": 1
          },
          "DisplayName (empty - default)": "나이트메어 레이드 보스 소환",
          "ShortName": "metal.facemask",
          "Skin": 0,
          "Is Blueprint": false,
          "Amount": 1,
          "Enable item buying?": true,
          "Price": 50000.0,
          "Enable item selling?": false,
          "Sell Price": 0.0,
          "Buy Cooldown (0 - disable)": 3600.0,
          "Buy Cooldowns (0 - no limit)": {
            "shop.default": 0.0,
            "shop.vip": 0.0
          },
          "Sell Cooldown (0 - disable)": 0.0,
          "Sell Cooldowns (0 - no limit)": {
            "shop.default": 0.0,
            "shop.vip": 0.0
          },

never mind that I'm a fool sry

That's weird. You got it right...I'll check it out!