diff --git a/subgraph/build/Contract/Contract.wasm b/subgraph/build/Contract/Contract.wasm
index d77e7db..75f1c00 100644
Binary files a/subgraph/build/Contract/Contract.wasm and b/subgraph/build/Contract/Contract.wasm differ
diff --git a/subgraph/src/helpers/ignore.ts b/subgraph/src/helpers/ignore.ts
new file mode 100644
index 0000000..a480961
--- /dev/null
+++ b/subgraph/src/helpers/ignore.ts
@@ -0,0 +1,2 @@
+export let skipBlocks: number[] = [6891630]
+
diff --git a/subgraph/src/helpers/json.ts b/subgraph/src/helpers/json.ts
new file mode 100644
index 0000000..6efbb46
--- /dev/null
+++ b/subgraph/src/helpers/json.ts
@@ -0,0 +1,7 @@
+import { Bytes } from "@graphprotocol/graph-ts"
+
+export function isJson(manifest: Bytes): boolean {
+    let manifestString = manifest.toHexString()
+    let first = manifestString.slice(0, 4)
+    return first == '0x7b'
+}
diff --git a/subgraph/src/mapping.ts b/subgraph/src/mapping.ts
index a7902a6..4bb105d 100644
--- a/subgraph/src/mapping.ts
+++ b/subgraph/src/mapping.ts
@@ -15,6 +15,8 @@ import {
   DonateCall,
 } from "../generated/Contract/Contract"
 import { Profile, PledgesInfo, Pledge, ProjectInfo } from "../generated/schema"
+import { skipBlocks } from "./helpers/ignore"
+import { isJson } from "./helpers/json"
 
 
 export function handleAddGiver(call: AddGiverCall): void {
@@ -66,12 +68,11 @@ export function handleUpdateProject(call: UpdateProjectCall): void {
 function createProjectInfo(content: String, profile: Profile, isFile: boolean = false): void {
     let hash = content.split('/').slice(-1)[0]
     let contentHash = isFile ? hash : hash + '/manifest.json'
-    let manifest = ipfs.cat(contentHash)
+    let manifest: Bytes | null = ipfs.cat(contentHash)
 
     if (manifest == null) {
-        log.info('manifest is null', [])
         if (!isFile) createProjectInfo(content, profile, true)
-    } else {
+    } else if (isJson(manifest as Bytes)) {
         let parsed = json.fromBytes(manifest as Bytes).toObject()
         log.info(
             'ipfs title: {}',