diff --git a/contracts/contracts/d_social_network_account.tact b/contracts/contracts/d_social_network_account.tact
index d293a09e..4f8cea03 100644
--- a/contracts/contracts/d_social_network_account.tact
+++ b/contracts/contracts/d_social_network_account.tact
@@ -27,7 +27,7 @@ contract DSocialNetworkAccount with NftCollection, NftCollectionRoyaltyExtention
             image: "",
             name: "",
             description: "",
-            social_links: emptyMap()
+            social_links: "[]"
         };
     }
 
diff --git a/contracts/contracts/d_social_network_master.tact b/contracts/contracts/d_social_network_master.tact
index e0262dea..59f3b77f 100644
--- a/contracts/contracts/d_social_network_master.tact
+++ b/contracts/contracts/d_social_network_master.tact
@@ -5,7 +5,7 @@ import "./messages_d.tact";
 import "./d_social_network_account.tact";
 
 contract DSocialNetworkMaster with Deployable, OwnableTransferable, Accounting  {
-    version: String = "v0.0.1";
+    version: String = "v0.0.1-metadata-arrays-as-json-string";
     owner: Address;
     next_account_index: Int as uint32 = 0;
 
@@ -57,7 +57,7 @@ contract DSocialNetworkMaster with Deployable, OwnableTransferable, Accounting
             image: "some-image-link",
             name: msg.account_name,
             description: msg.account_description,
-            social_links: emptyMap()
+            social_links: msg.social_links
         };
     }
 }
diff --git a/contracts/contracts/d_social_network_post.tact b/contracts/contracts/d_social_network_post.tact
index 6279cee4..273e3a51 100644
--- a/contracts/contracts/d_social_network_post.tact
+++ b/contracts/contracts/d_social_network_post.tact
@@ -20,7 +20,7 @@ contract DSocialNetworkPost with NftItem {
             name: "",
             description: "",
             content_url: "",
-            attributes: emptyMap()
+            attributes: "[]"
         };
         self.is_initialized = false;
     }
diff --git a/contracts/contracts/lib/messages_nft.tact b/contracts/contracts/lib/messages_nft.tact
index 7f658536..5922385e 100644
--- a/contracts/contracts/lib/messages_nft.tact
+++ b/contracts/contracts/lib/messages_nft.tact
@@ -10,7 +10,7 @@ struct NftCollectionMetadata {
     image: String;
     name: String;
     description: String;
-    social_links: map<Int, Cell>;
+    social_links: String;
 }
 
 message MintNft {
@@ -49,7 +49,7 @@ struct NftMetadata {
     description: String;
     image: String;
     content_url: String;
-    attributes: map<Int, NftMetadataAttribute>;
+    attributes: String;
 }
 
 message InitializeNft {
diff --git a/contracts/contracts/messages_d.tact b/contracts/contracts/messages_d.tact
index 03918567..4735bfe8 100644
--- a/contracts/contracts/messages_d.tact
+++ b/contracts/contracts/messages_d.tact
@@ -6,6 +6,7 @@ message RegisterAccount {
     query_id: Int as uint64;
     account_name: String;
     account_description: String;
+    social_links: String;
 }
 
 // Account contract
diff --git a/contracts/scripts/deployTestSocialNetwork.ts b/contracts/scripts/deployTestSocialNetwork.ts
index 571032ae..6ff60503 100644
--- a/contracts/scripts/deployTestSocialNetwork.ts
+++ b/contracts/scripts/deployTestSocialNetwork.ts
@@ -1,10 +1,7 @@
-import { toNano, Dictionary } from 'ton-core'
+import { toNano } from 'ton-core'
 import { NetworkProvider } from '@ton-community/blueprint'
 import { DSocialNetworkMaster } from '../wrappers/DSocialNetworkMaster'
-import {
-  DSocialNetworkAccount,
-  NftMetadataAttribute
-} from '../wrappers/DSocialNetworkAccount'
+import { DSocialNetworkAccount } from '../wrappers/DSocialNetworkAccount'
 import { DSocialNetworkPost } from '../wrappers/DSocialNetworkPost'
 
 export async function run(provider: NetworkProvider) {
@@ -30,7 +27,8 @@ export async function run(provider: NetworkProvider) {
       $$type: 'RegisterAccount',
       query_id: 0n,
       account_name: 'test',
-      account_description: 'Test account description'
+      account_description: 'Test account description',
+      social_links: JSON.stringify(['https://d0rich.t.me/'])
     }
   )
 
@@ -42,13 +40,6 @@ export async function run(provider: NetworkProvider) {
 
   await provider.waitForDeploy(dAccount.address)
 
-  const attributes = Dictionary.empty<bigint, NftMetadataAttribute>()
-  attributes.set(0n, {
-    $$type: 'NftMetadataAttribute',
-    trait_type: 'content',
-    value: 'This is my first post'
-  })
-
   await dAccount.send(
     provider.sender(),
     { value: toNano('0.5') },
@@ -61,7 +52,9 @@ export async function run(provider: NetworkProvider) {
         description: 'Test post description',
         image: 'https://test.com/image.png',
         content_url: 'https://test.com/content.txt',
-        attributes
+        attributes: JSON.stringify([
+          { trait_type: 'content', value: 'This is my first post' }
+        ])
       }
     }
   )
diff --git a/contracts/tests/DSocialNetworkAccount.spec.ts b/contracts/tests/DSocialNetworkAccount.spec.ts
index c4f988c3..403b9774 100644
--- a/contracts/tests/DSocialNetworkAccount.spec.ts
+++ b/contracts/tests/DSocialNetworkAccount.spec.ts
@@ -1,10 +1,7 @@
 import { Blockchain, SandboxContract } from '@ton-community/sandbox'
-import { toNano, Dictionary } from 'ton-core'
+import { toNano } from 'ton-core'
 import { DSocialNetworkMaster } from '../wrappers/DSocialNetworkMaster'
-import {
-  DSocialNetworkAccount,
-  NftMetadataAttribute
-} from '../wrappers/DSocialNetworkAccount'
+import { DSocialNetworkAccount } from '../wrappers/DSocialNetworkAccount'
 import '@ton-community/test-utils'
 import { DSocialNetworkPost } from '../wrappers/DSocialNetworkPost'
 
@@ -41,7 +38,8 @@ describe('DSocialNetworkMaster', () => {
         $$type: 'RegisterAccount',
         query_id: 0n,
         account_name: 'test',
-        account_description: 'Test account description'
+        account_description: 'Test account description',
+        social_links: JSON.stringify(['https://d0rich.t.me/'])
       }
     )
 
@@ -69,12 +67,6 @@ describe('DSocialNetworkMaster', () => {
   })
 
   it('should create post', async () => {
-    const attributes = Dictionary.empty<bigint, NftMetadataAttribute>()
-    attributes.set(0n, {
-      $$type: 'NftMetadataAttribute',
-      trait_type: 'content',
-      value: 'This is my first post'
-    })
     const registerResult = await dAccount.send(
       deployer.getSender(),
       { value: toNano('0.5') },
@@ -87,7 +79,9 @@ describe('DSocialNetworkMaster', () => {
           description: 'Test post description',
           image: 'https://test.com/image.png',
           content_url: 'https://test.com/content.txt',
-          attributes
+          attributes: JSON.stringify([
+            { trait_type: 'content', value: 'This is my first post' }
+          ])
         }
       }
     )
diff --git a/contracts/tests/DSocialNetworkMaster.spec.ts b/contracts/tests/DSocialNetworkMaster.spec.ts
index 1abea3d5..a51f570a 100644
--- a/contracts/tests/DSocialNetworkMaster.spec.ts
+++ b/contracts/tests/DSocialNetworkMaster.spec.ts
@@ -44,7 +44,8 @@ describe('DSocialNetworkMaster', () => {
         $$type: 'RegisterAccount',
         query_id: 0n,
         account_name: 'test',
-        account_description: 'Test account description'
+        account_description: 'Test account description',
+        social_links: JSON.stringify(['https://d0rich.t.me/'])
       }
     )