diff --git a/indexer/db/migrations/1707926335271-Data.js b/indexer/db/migrations/1707926335271-Data.js
new file mode 100644
index 0000000..656c25e
--- /dev/null
+++ b/indexer/db/migrations/1707926335271-Data.js
@@ -0,0 +1,11 @@
+module.exports = class Data1707926335271 {
+    name = 'Data1707926335271'
+
+    async up(db) {
+        await db.query(`ALTER TABLE "nft" ADD "minted_by" text NOT NULL`)
+    }
+
+    async down(db) {
+        await db.query(`ALTER TABLE "nft" DROP COLUMN "minted_by"`)
+    }
+}
diff --git a/indexer/schema.graphql b/indexer/schema.graphql
index 5ac9573..5ebd5ec 100644
--- a/indexer/schema.graphql
+++ b/indexer/schema.graphql
@@ -76,6 +76,7 @@ type Nft @entity {
   id: ID!
   owner: String!
   name: String!
+  mintedBy: String!
   description: String!
   idInCollection: Int!
   collection: Collection!
diff --git a/indexer/src/main.ts b/indexer/src/main.ts
index 5ee3869..f838bd4 100644
--- a/indexer/src/main.ts
+++ b/indexer/src/main.ts
@@ -10,7 +10,7 @@ import { getLocalStorage } from './processing/storage/local.storage';
 import { BatchService } from './processing/batch.service';
 
 // @ts-ignore
-BigInt.prototype["toJSON"] = function () {
+BigInt.prototype['toJSON'] = function () {
   return this.toString();
 };
 
diff --git a/indexer/src/model/generated/nft.model.ts b/indexer/src/model/generated/nft.model.ts
index 5bd5943..cec4f35 100644
--- a/indexer/src/model/generated/nft.model.ts
+++ b/indexer/src/model/generated/nft.model.ts
@@ -27,6 +27,9 @@ export class Nft {
   @Column_('text', { nullable: false })
   name!: string;
 
+  @Column_('text', { nullable: false })
+  mintedBy!: string;
+
   @Column_('text', { nullable: false })
   description!: string;
 
diff --git a/indexer/src/processing/events.processing.ts b/indexer/src/processing/events.processing.ts
index d6fc71d..02e731d 100644
--- a/indexer/src/processing/events.processing.ts
+++ b/indexer/src/processing/events.processing.ts
@@ -113,13 +113,21 @@ export class EventsProcessing {
       if (!parsed || !parsed.ok) {
         return null;
       }
-      console.log(`${blockNumber}-${messageId}: extracting marketplace event ${JSON.stringify(parsed.ok)}`);
+      console.log(
+        `${blockNumber}-${messageId}: extracting marketplace event ${JSON.stringify(
+          parsed.ok,
+        )}`,
+      );
       const event = getMarketplaceEvent(parsed.ok);
       if (!event) {
         console.warn(`${blockNumber}-${messageId}: unknown event type`, parsed);
         return null;
       }
-      console.log(`${blockNumber}-${messageId}: detected event: ${event.type}\n${JSON.stringify(event)}`);
+      console.log(
+        `${blockNumber}-${messageId}: detected event: ${
+          event.type
+        }\n${JSON.stringify(event)}`,
+      );
       await this.entitiesService
         .addEvent({
           blockNumber: eventInfo.blockNumber,
@@ -173,7 +181,11 @@ export class EventsProcessing {
         );
         return null;
       }
-      console.log(`${blockNumber}-${messageId}: extracting nft event ${JSON.stringify(parsed.ok)}`);
+      console.log(
+        `${blockNumber}-${messageId}: extracting nft event ${JSON.stringify(
+          parsed.ok,
+        )}`,
+      );
       const event = getNftEvent(parsed.ok);
       if (!event) {
         console.warn(
@@ -182,7 +194,11 @@ export class EventsProcessing {
         );
         return null;
       }
-      console.log(`${blockNumber}-${messageId}: detected event: ${event.type}\n${JSON.stringify(event)}`);
+      console.log(
+        `${blockNumber}-${messageId}: detected event: ${
+          event.type
+        }\n${JSON.stringify(event)}`,
+      );
       const eventHandler = nftEventsToHandler[event.type];
       if (!eventHandler) {
         console.warn(
diff --git a/indexer/src/processing/marketplace/auction-closed.handler.ts b/indexer/src/processing/marketplace/auction-closed.handler.ts
index 1f6e710..3805160 100644
--- a/indexer/src/processing/marketplace/auction-closed.handler.ts
+++ b/indexer/src/processing/marketplace/auction-closed.handler.ts
@@ -47,10 +47,12 @@ export class AuctionClosedHandler implements INftMarketplaceEventHandler {
           txHash: eventInfo.txHash,
         }),
       );
-      await storage.setNft(new Nft({
-        ...nft,
-        owner: currentOwner,
-      }));
+      await storage.setNft(
+        new Nft({
+          ...nft,
+          owner: currentOwner,
+        }),
+      );
     }
   }
 }
diff --git a/indexer/src/processing/marketplace/bid-added.handler.ts b/indexer/src/processing/marketplace/bid-added.handler.ts
index 0f9519f..1ba9db1 100644
--- a/indexer/src/processing/marketplace/bid-added.handler.ts
+++ b/indexer/src/processing/marketplace/bid-added.handler.ts
@@ -33,10 +33,12 @@ export class BidAddedHandler implements INftMarketplaceEventHandler {
       );
       return;
     }
-    await storage.setAuction(new Auction({
-      ...auction,
-      lastPrice: price,
-    }))
+    await storage.setAuction(
+      new Auction({
+        ...auction,
+        lastPrice: price,
+      }),
+    );
     storage.addBid(
       new Bid({
         id: uuidv4(),
diff --git a/indexer/src/processing/marketplace/offer-accepted.handler.ts b/indexer/src/processing/marketplace/offer-accepted.handler.ts
index ecec8ec..8be7a77 100644
--- a/indexer/src/processing/marketplace/offer-accepted.handler.ts
+++ b/indexer/src/processing/marketplace/offer-accepted.handler.ts
@@ -48,9 +48,11 @@ export class OfferAcceptedHandler implements INftMarketplaceEventHandler {
         txHash: eventInfo.txHash,
       }),
     );
-    await storage.setNft(new Nft({
-      ...nft,
-      owner: offer.creator,
-    }));
+    await storage.setNft(
+      new Nft({
+        ...nft,
+        owner: offer.creator,
+      }),
+    );
   }
 }
diff --git a/indexer/src/processing/nft/nft-minted.handler.ts b/indexer/src/processing/nft/nft-minted.handler.ts
index 6d796a2..6570cfa 100644
--- a/indexer/src/processing/nft/nft-minted.handler.ts
+++ b/indexer/src/processing/nft/nft-minted.handler.ts
@@ -28,6 +28,7 @@ export class NftMintedHandler implements INftEventHandler {
         mediaUrl,
         name,
         owner,
+        mintedBy: owner,
         metadata: JSON.stringify(metadata),
         onSale: false,
         createdAt: timestamp,
diff --git a/indexer/src/processing/nft/transferred.handler.ts b/indexer/src/processing/nft/transferred.handler.ts
index 98087d2..f442a34 100644
--- a/indexer/src/processing/nft/transferred.handler.ts
+++ b/indexer/src/processing/nft/transferred.handler.ts
@@ -5,7 +5,8 @@ import { Nft, Transfer } from '../../model';
 import { EventInfo } from '../event-info.type';
 import { v4 as uuidv4 } from 'uuid';
 
-const NullAddress = '0x0000000000000000000000000000000000000000000000000000000000000000'
+const NullAddress =
+  '0x0000000000000000000000000000000000000000000000000000000000000000';
 
 export class TransferredHandler implements INftEventHandler {
   async handle(
@@ -33,10 +34,12 @@ export class TransferredHandler implements INftEventHandler {
           txHash,
         }),
       );
-      await storage.setNft(new Nft({
-        ...nft,
-        owner: recipient,
-      }));
+      await storage.setNft(
+        new Nft({
+          ...nft,
+          owner: recipient,
+        }),
+      );
     }
   }
 }
diff --git a/indexer/src/processing/storage/local.storage.ts b/indexer/src/processing/storage/local.storage.ts
index 53bb0ee..e2b187d 100644
--- a/indexer/src/processing/storage/local.storage.ts
+++ b/indexer/src/processing/storage/local.storage.ts
@@ -213,8 +213,8 @@ export class LocalStorage implements IStorage {
       }
       if (!this.marketplace!.nftMetadata) {
         this.marketplace!.nftMetadata = nftMeta;
-      }} catch (e) {
-    }
+      }
+    } catch (e) {}
   }
 
   private async loadCollections() {