diff --git a/schema.graphql b/schema.graphql
index b098d87..d878043 100644
--- a/schema.graphql
+++ b/schema.graphql
@@ -58,7 +58,7 @@ type Nft @entity{
     symbol: String!                                       
     name: String!                                          
     tokenUri: String! 
-
+  
     "address of the owner of the nft"                                     
     owner: String!     
 
@@ -410,14 +410,17 @@ type GlobalStats @entity {
 }
 
 
-type MetadataUpdate @entity {
-  id: ID! # update tx +  datatokenAddress
-  datatoken: Token!
+type NftUpdate @entity {
+  id: ID! # update tx +  nft address
+  datatoken: Nft!
 
-  datatokenAddress: String!
+ "user that made the update"
   userAddress: String!
 
+  "state of the asset in this update"  
+  assetState: Int!
+
   block: Int!
-  createdTimestamp: Int!
+  timestamp: Int!
   tx: Bytes!
 }
diff --git a/src/mappings/nftUpdate.ts b/src/mappings/nftUpdate.ts
new file mode 100644
index 0000000..77e6151
--- /dev/null
+++ b/src/mappings/nftUpdate.ts
@@ -0,0 +1,14 @@
+import {
+  MetadataCreated,
+  MetadataState,
+  MetadataUpdated,
+  TokenURIUpdate
+} from '../@types/templates/ERC721Template/ERC721Template'
+
+export function handleCreated(event: MetadataCreated): void {}
+
+export function handleUpdated(event: MetadataUpdated): void {}
+
+export function handleState(event: MetadataState): void {}
+
+export function handleUriUpdate(event: TokenURIUpdate): void {}
diff --git a/subgraph.yaml b/subgraph.yaml
index 80f74df..14f1214 100644
--- a/subgraph.yaml
+++ b/subgraph.yaml
@@ -171,6 +171,29 @@ templates:
           handler: handlerBptTransfer      
         # - event: SWAP_FEES(uint,uint,uint,address)
         #   handler: handlerSwapFees
-
+  - name: ERC721Template
+    kind: ethereum/contract
+    network: barge
+    source:
+      abi: ERC721Template
+    mapping:
+      kind: ethereum/events
+      apiVersion: 0.0.5
+      language: wasm/assemblyscript
+      file: ./src/mappings/nftUpdate.ts
+      entities:
+        - ERC721Template
+      abis:
+        - name: ERC721Template
+          file: ./abis/ERC721Template.json
+      eventHandlers:
+        - event: MetadataCreated(indexed address,uint8,string,bytes,bytes,bytes,uint256,uint256)
+          handler: handleCreated
+        - event: MetadataUpdated(indexed address,uint8,string,bytes,bytes,bytes,uint256,uint256)
+          handler: handleUpdated
+        - event: MetadataState(indexed address,uint8,uint256,uint256)
+          handler: handleState
+        - event: TokenURIUpdate(indexed address,string,uint256,uint256,uint256)
+          handler: handleUriUpdate
 features:
   - nonFatalErrors