diff --git a/examples/cactus-example-supply-chain-business-logic-plugin/src/main/typescript/model/converter/bamboo-harvest-converter.ts b/examples/cactus-example-supply-chain-business-logic-plugin/src/main/typescript/model/converter/bamboo-harvest-converter.ts
index 89f5ce6ae84..7aa85808648 100644
--- a/examples/cactus-example-supply-chain-business-logic-plugin/src/main/typescript/model/converter/bamboo-harvest-converter.ts
+++ b/examples/cactus-example-supply-chain-business-logic-plugin/src/main/typescript/model/converter/bamboo-harvest-converter.ts
@@ -21,17 +21,21 @@ export class BambooHarvestConverter {
    * @param arr The array containing the values of properties describing a
    * `BambooHarvest` model entity.
    */
-  public static ofSolidityStruct(arr: any[]): BambooHarvest {
+  public static ofSolidityStruct(arr: unknown[]): BambooHarvest {
     return {
-      id: arr[BambooHarvestConverter.SOLIDITY_FIELD_ID],
-      location: arr[BambooHarvestConverter.SOLIDITY_FIELD_LOCATION],
-      startedAt: arr[BambooHarvestConverter.SOLIDITY_FIELD_STARTED_AT],
-      endedAt: arr[BambooHarvestConverter.SOLIDITY_FIELD_ENDED_AT],
-      harvester: arr[BambooHarvestConverter.SOLIDITY_FIELD_HARVESTER],
+      id: arr[BambooHarvestConverter.SOLIDITY_FIELD_ID] as string,
+      location: arr[BambooHarvestConverter.SOLIDITY_FIELD_LOCATION] as string,
+      startedAt: arr[
+        BambooHarvestConverter.SOLIDITY_FIELD_STARTED_AT
+      ] as string,
+      endedAt: arr[BambooHarvestConverter.SOLIDITY_FIELD_ENDED_AT] as string,
+      harvester: arr[BambooHarvestConverter.SOLIDITY_FIELD_HARVESTER] as string,
     };
   }
 
-  public static ofSolidityStructList(arrayOfArrays: any[][]): BambooHarvest[] {
+  public static ofSolidityStructList(
+    arrayOfArrays: unknown[][],
+  ): BambooHarvest[] {
     return arrayOfArrays.map(BambooHarvestConverter.ofSolidityStruct);
   }
 }
diff --git a/examples/cactus-example-supply-chain-business-logic-plugin/src/main/typescript/model/converter/bookshelf-converter.ts b/examples/cactus-example-supply-chain-business-logic-plugin/src/main/typescript/model/converter/bookshelf-converter.ts
index 55d75f35795..7b74c5d6ef4 100644
--- a/examples/cactus-example-supply-chain-business-logic-plugin/src/main/typescript/model/converter/bookshelf-converter.ts
+++ b/examples/cactus-example-supply-chain-business-logic-plugin/src/main/typescript/model/converter/bookshelf-converter.ts
@@ -19,15 +19,17 @@ export class BookshelfConverter {
    * @param arr The array containing the values of properties describing a
    * `Bookshelf` model entity.
    */
-  public static ofSolidityStruct(arr: any[]): Bookshelf {
+  public static ofSolidityStruct(arr: unknown[]): Bookshelf {
     return {
-      id: arr[BookshelfConverter.SOLIDITY_FIELD_ID],
-      shelfCount: arr[BookshelfConverter.SOLIDITY_FIELD_SHELF_COUNT],
-      bambooHarvestId: arr[BookshelfConverter.SOLIDITY_FIELD_BAMBOO_HARVEST_ID],
+      id: arr[BookshelfConverter.SOLIDITY_FIELD_ID] as string,
+      shelfCount: arr[BookshelfConverter.SOLIDITY_FIELD_SHELF_COUNT] as number,
+      bambooHarvestId: arr[
+        BookshelfConverter.SOLIDITY_FIELD_BAMBOO_HARVEST_ID
+      ] as string,
     };
   }
 
-  public static ofSolidityStructList(arrayOfArrays: any[][]): Bookshelf[] {
+  public static ofSolidityStructList(arrayOfArrays: unknown[][]): Bookshelf[] {
     return arrayOfArrays.map(BookshelfConverter.ofSolidityStruct);
   }
 }
diff --git a/examples/cactus-example-supply-chain-frontend/src/app/bamboo-harvest/bamboo-harvest-detail/bamboo-harvest-detail.page.ts b/examples/cactus-example-supply-chain-frontend/src/app/bamboo-harvest/bamboo-harvest-detail/bamboo-harvest-detail.page.ts
index b09ca73130c..9951e93eadf 100644
--- a/examples/cactus-example-supply-chain-frontend/src/app/bamboo-harvest/bamboo-harvest-detail/bamboo-harvest-detail.page.ts
+++ b/examples/cactus-example-supply-chain-frontend/src/app/bamboo-harvest/bamboo-harvest-detail/bamboo-harvest-detail.page.ts
@@ -52,9 +52,9 @@ export class BambooHarvestDetailPage implements OnInit {
     });
   }
 
-  public onClickFormSubmit(value: any): void {
+  public onClickFormSubmit(value: unknown): void {
     this.log.debug("form submitted", value);
-    this.bambooHarvest = value;
+    this.bambooHarvest = value as BambooHarvest;
     this.modalController.dismiss(this.bambooHarvest);
   }