diff --git a/package-lock.json b/package-lock.json
index fdd46186..233eaea2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@terra-money/feather.js",
-  "version": "2.0.0-beta.2",
+  "version": "2.0.0-beta.4",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@terra-money/feather.js",
-      "version": "2.0.0-beta.2",
+      "version": "2.0.0-beta.4",
       "license": "MIT",
       "dependencies": {
         "@ethersproject/bytes": "^5.7.0",
diff --git a/package.json b/package.json
index d4971a03..f6087f45 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@terra-money/feather.js",
-  "version": "2.0.0-beta.2",
+  "version": "2.0.0-beta.4",
   "description": "The JavaScript SDK for Terra and Feather chains",
   "license": "MIT",
   "author": "Terraform Labs, PTE.",
diff --git a/src/client/lcd/api/ICAv1API.ts b/src/client/lcd/api/ICAv1API.ts
index 4fbbcc89..8c2a4186 100644
--- a/src/client/lcd/api/ICAv1API.ts
+++ b/src/client/lcd/api/ICAv1API.ts
@@ -1,5 +1,6 @@
 import { Params as HostParams } from '@terra-money/terra.proto/ibc/applications/interchain_accounts/host/v1/host';
 import { Params as ControllerParams } from '@terra-money/terra.proto/ibc/applications/interchain_accounts/controller/v1/controller';
+import { QueryInterchainAccountResponse } from '@terra-money/terra.proto/ibc/applications/interchain_accounts/controller/v1/query';
 import { APIParams } from '../APIRequester';
 import { LCDClient } from '../LCDClient';
 import { BaseAPI } from './BaseAPI';
@@ -53,7 +54,9 @@ export class ICAv1API extends BaseAPI {
     connectionId: string,
     params: Partial<APIParams> = {}
   ) {
-    return this.getReqFromAddress(ownerAddr).get<{ params: ControllerParams }>(
+    return this.getReqFromAddress(
+      ownerAddr
+    ).get<QueryInterchainAccountResponse>(
       `/ibc/apps/interchain_accounts/controller/v1/owners/${ownerAddr}/connections/${connectionId}`,
       params
     );
diff --git a/src/core/ica/controller/v1/InterchainAccountPacketData.ts b/src/core/ica/controller/v1/InterchainAccountPacketData.ts
new file mode 100644
index 00000000..7e87232f
--- /dev/null
+++ b/src/core/ica/controller/v1/InterchainAccountPacketData.ts
@@ -0,0 +1,116 @@
+import { Any } from '@terra-money/legacy.proto/google/protobuf/any';
+import { JSONSerializable } from '../../../../util/json';
+import {
+  InterchainAccountPacketData as InterchainAccountPacketData_pb,
+  Type,
+} from '@terra-money/terra.proto/ibc/applications/interchain_accounts/v1/packet';
+
+/**
+ * Message to execute actions on host chain of the interchain account.
+ */
+export class InterchainAccountPacketData extends JSONSerializable<
+  {},
+  InterchainAccountPacketData.Data,
+  InterchainAccountPacketData.Proto
+> {
+  /**
+   * @param data base64 encoded proto message of the data e.g.: MsgSend_pb.encode(msgSend.toProto()).string("base64").finish()
+   * @param connectionId memo field data that will be passed to the message
+   * @param version of the message TYPE_UNSPECIFIED, TYPE_EXECUTE_TX or UNRECOGNIZED
+   */
+  constructor(
+    public data: Uint8Array,
+    public memo: string = '',
+    public type: Type = Type.TYPE_EXECUTE_TX
+  ) {
+    super();
+  }
+
+  public static fromAmino(
+    data: InterchainAccountPacketData.Amino,
+    _?: boolean
+  ): InterchainAccountPacketData {
+    _;
+    data;
+    throw new Error('Amino not supported on InterchainAccountPacketData');
+  }
+
+  public toAmino(_?: boolean): InterchainAccountPacketData.Amino {
+    _;
+    throw new Error('Amino not supported on InterchainAccountPacketData');
+  }
+
+  public static fromData(
+    inputData: InterchainAccountPacketData.Data,
+    _?: boolean
+  ): InterchainAccountPacketData {
+    _;
+    const { data, type, memo } = inputData;
+
+    return new InterchainAccountPacketData(data, memo, type);
+  }
+
+  public toData(_?: boolean): InterchainAccountPacketData.Data {
+    _;
+    const { data, type, memo } = this;
+    return {
+      data,
+      type,
+      memo,
+    };
+  }
+
+  public static fromProto(
+    proto: InterchainAccountPacketData.Proto,
+    _?: boolean
+  ): InterchainAccountPacketData {
+    _;
+    return new InterchainAccountPacketData(
+      proto.data as any,
+      proto.memo,
+      proto.type
+    );
+  }
+
+  public toProto(_?: boolean): InterchainAccountPacketData.Proto {
+    _;
+    const { data, type, memo } = this;
+    return InterchainAccountPacketData_pb.fromPartial({
+      data: data as any,
+      type,
+      memo,
+    });
+  }
+
+  public packAny(isClassic?: boolean): Any {
+    return Any.fromPartial({
+      value: InterchainAccountPacketData_pb.encode(
+        this.toProto(isClassic)
+      ).finish(),
+    });
+  }
+
+  public static unpackAny(
+    msgAny: Any,
+    isClassic?: boolean
+  ): InterchainAccountPacketData {
+    return InterchainAccountPacketData.fromProto(
+      InterchainAccountPacketData_pb.decode(msgAny.value),
+      isClassic
+    );
+  }
+}
+
+export namespace InterchainAccountPacketData {
+  export interface Amino {
+    value: {};
+  }
+
+  export interface Data {
+    data: Uint8Array;
+    type: Type;
+    memo: string;
+  }
+
+  export type Proto = InterchainAccountPacketData_pb;
+}
diff --git a/src/core/ica/controller/v1/msgs/MsgSendTx.ts b/src/core/ica/controller/v1/msgs/MsgSendTx.ts
index 01da5039..cc846e02 100644
--- a/src/core/ica/controller/v1/msgs/MsgSendTx.ts
+++ b/src/core/ica/controller/v1/msgs/MsgSendTx.ts
@@ -2,11 +2,11 @@ import { AccAddress } from '../../../../bech32';
 import { Any } from '@terra-money/legacy.proto/google/protobuf/any';
 import { JSONSerializable } from '../../../../../util/json';
 import { MsgSendTx as MsgSendTx_pb } from '@terra-money/terra.proto/ibc/applications/interchain_accounts/controller/v1/tx';
-import { InterchainAccountPacketData } from '@terra-money/terra.proto/ibc/applications/interchain_accounts/v1/packet';
 import Long from 'long';
+import { InterchainAccountPacketData } from '../InterchainAccountPacketData';
 
 /**
- * A basic message for sending [[Coins]] between Terra accounts.
+ * Transaction message to wrap the packet data and execute actions on host chain.
  */
 export class MsgSendTx extends JSONSerializable<
   {},
@@ -69,6 +69,8 @@ export class MsgSendTx extends JSONSerializable<
       proto.connectionId,
       proto.relativeTimeout,
       proto.packetData
+        ? InterchainAccountPacketData.fromProto(proto.packetData)
+        : undefined
     );
   }
 
@@ -79,7 +81,7 @@ export class MsgSendTx extends JSONSerializable<
       owner,
       connectionId,
       relativeTimeout,
-      packetData,
+      packetData: packetData as any,
     });
   }