diff --git a/packages/transport-http/src/subscribe/handlers/blocks.ts b/packages/transport-http/src/subscribe/handlers/blocks.ts
index 41595263b..7d36255bc 100644
--- a/packages/transport-http/src/subscribe/handlers/blocks.ts
+++ b/packages/transport-http/src/subscribe/handlers/blocks.ts
@@ -1,7 +1,13 @@
 import {SdkTransport} from "@onflow/typedefs"
 import {createSubscriptionHandler} from "./types"
 
-type BlockDataModel = {
+type BlocksArgs =
+  SdkTransport.SubscriptionArguments<SdkTransport.SubscriptionTopic.BLOCKS>
+
+type BlocksData =
+  SdkTransport.SubscriptionData<SdkTransport.SubscriptionTopic.BLOCKS>
+
+type BlocksDataDto = {
   block: {
     id: string
     parent_id: string
@@ -18,7 +24,7 @@ type BlockDataModel = {
   }
 }
 
-type BlockArgsModel =
+type BlocksArgsDto =
   | {
       block_status?: number
       start_block_id?: string
@@ -30,40 +36,38 @@ type BlockArgsModel =
 
 export const blocksHandler = createSubscriptionHandler<{
   Topic: SdkTransport.SubscriptionTopic.BLOCKS
-  Args: SdkTransport.SubscriptionArguments<SdkTransport.SubscriptionTopic.BLOCKS>
-  Data: SdkTransport.SubscriptionData<SdkTransport.SubscriptionTopic.BLOCKS>
-  ArgsModel: BlockArgsModel
-  DataModel: BlockDataModel
+  Args: BlocksArgs
+  Data: BlocksData
+  ArgsDto: BlocksArgsDto
+  DataDto: BlocksDataDto
 }>({
   topic: SdkTransport.SubscriptionTopic.BLOCKS,
   createSubscriber: (initialArgs, onData, onError) => {
-    let resumeArgs: SdkTransport.SubscriptionArguments<SdkTransport.SubscriptionTopic.BLOCKS> =
-      {
-        ...initialArgs,
-      }
+    let resumeArgs: BlocksArgs = {
+      ...initialArgs,
+    }
 
     return {
-      sendData(data: BlockDataModel) {
+      sendData(data: BlocksDataDto) {
         // Parse the raw data
-        const parsedData: SdkTransport.SubscriptionData<SdkTransport.SubscriptionTopic.BLOCKS> =
-          {
-            block: {
-              id: data.block.id,
-              parentId: data.block.parent_id,
-              height: data.block.height,
-              timestamp: data.block.timestamp,
-              collectionGuarantees: data.block.collection_guarantees.map(
-                guarantee => ({
-                  collectionId: guarantee.collection_id,
-                  signerIds: guarantee.signer_ids,
-                })
-              ),
-              blockSeals: data.block.block_seals.map(seal => ({
-                blockId: seal.block_id,
-                executionReceiptId: seal.result_id,
-              })),
-            },
-          }
+        const parsedData: BlocksData = {
+          block: {
+            id: data.block.id,
+            parentId: data.block.parent_id,
+            height: data.block.height,
+            timestamp: data.block.timestamp,
+            collectionGuarantees: data.block.collection_guarantees.map(
+              guarantee => ({
+                collectionId: guarantee.collection_id,
+                signerIds: guarantee.signer_ids,
+              })
+            ),
+            blockSeals: data.block.block_seals.map(seal => ({
+              blockId: seal.block_id,
+              executionReceiptId: seal.result_id,
+            })),
+          },
+        }
 
         // Update the resume args
         resumeArgs = {
@@ -76,10 +80,8 @@ export const blocksHandler = createSubscriptionHandler<{
       sendError(error: Error) {
         onError(error)
       },
-      encodeArgs(
-        args: SdkTransport.SubscriptionArguments<SdkTransport.SubscriptionTopic.BLOCKS>
-      ) {
-        let encodedArgs: BlockArgsModel = {
+      encodeArgs(args: BlocksArgs) {
+        let encodedArgs: BlocksArgsDto = {
           block_status: args.blockStatus,
         }
 
diff --git a/packages/transport-http/src/subscribe/handlers/types.ts b/packages/transport-http/src/subscribe/handlers/types.ts
index 1ab7048d5..df4a3ae9c 100644
--- a/packages/transport-http/src/subscribe/handlers/types.ts
+++ b/packages/transport-http/src/subscribe/handlers/types.ts
@@ -8,8 +8,8 @@ export interface SubscriptionHandler<
     Topic: string
     Args: any
     Data: any
-    DataModel: any
-    ArgsModel: any
+    ArgsDto: any
+    DataDto: any
   },
 > {
   readonly topic: T["Topic"]
@@ -17,7 +17,7 @@ export interface SubscriptionHandler<
     initialArgs: T["Args"],
     onData: (data: T["Data"]) => void,
     onError: (error: Error) => void
-  ): DataSubscriber<T["Args"], T["ArgsModel"], T["DataModel"]>
+  ): DataSubscriber<T["Args"], T["ArgsDto"], T["DataDto"]>
 }
 
 export interface DataSubscriber<Args, ArgsModel, Data> {
@@ -47,8 +47,8 @@ export function createSubscriptionHandler<
     Topic: string
     Args: any
     Data: any
-    DataModel: any
-    ArgsModel: any
+    ArgsDto: any
+    DataDto: any
   },
 >(handler: SubscriptionHandler<T>): SubscriptionHandler<T> {
   return handler