diff --git a/src/main/kotlin/id/walt/nftkit/services/NftService.kt b/src/main/kotlin/id/walt/nftkit/services/NftService.kt
index 21cedaa2..69acbc22 100644
--- a/src/main/kotlin/id/walt/nftkit/services/NftService.kt
+++ b/src/main/kotlin/id/walt/nftkit/services/NftService.kt
@@ -208,7 +208,7 @@ data class Trait_shimmer(
 @Serializable
 
 data class Metadata(
-    val attributes: List<Trait_shimmer>?=null,
+    val attributes: JsonArray?=null,
     val description: String?=null,
     val name: String?=null,
 )