Add purchasing icons

Assets/Scripts/Types/MarketplaceIconType.cs

@@ -1,16 +1,13 @@
+using System.Numerics;
 using Newtonsoft.Json;
 
 public class MarketplaceIconType {
-  [JsonProperty("username")]
-  public string CreatorUsername { get; set; }
-  [JsonProperty("userid")]
-  public string CreatorUserID { get; set; }
   [JsonProperty("data")]
   public string Data { get; set; }
   [JsonProperty("uuid")]
   public string UUID { get; set; }
   [JsonProperty("price")]
-  public int Price { get; set; }
+  public BigInteger Price { get; set; }
   [JsonProperty("name")]
   public string Name { get; set; }
 }