diff --git a/src/packages/commons/service/rest.service.ts b/src/packages/commons/service/rest.service.ts
index 031c8a2..251d54b 100644
--- a/src/packages/commons/service/rest.service.ts
+++ b/src/packages/commons/service/rest.service.ts
@@ -6,6 +6,8 @@ import { Observable } from 'rxjs/Observable';
 import { Location } from '@angular/common';
 
 import 'rxjs/add/operator/do';
+import 'rxjs/add/operator/map';
+import 'rxjs/add/operator/catch';
 import 'rxjs/add/operator/timeout';
 import 'rxjs/add/observable/throw';
 
@@ -20,7 +22,6 @@ export class RESTService {
     @Inject(HttpClient) private _httpClient: HttpClient,
   ) {
     this.httpHeaders = new HttpHeaders()
-      .set('Accept', 'application/json')
       .set('Content-Type', 'application/json');
   }
 
@@ -32,12 +33,12 @@ export class RESTService {
     const headers: HttpHeaders = this.httpHeaders;
 
     return this._httpClient
-      .get<T>(Location.joinWithSlash(this._baseURL, entry), {
+      .get(Location.joinWithSlash(this._baseURL, entry), {
         headers: headers,
         params: params,
         responseType: 'json',
       })
-      .map(response => response)
+      .map((response: string) => <T>JSON.parse(response))
       .catch((error: HttpErrorResponse) => Observable.throw(ErrorResponse.restError(error)));
   }
 
@@ -45,12 +46,12 @@ export class RESTService {
     const headers: HttpHeaders = this.httpHeaders;
 
     return this._httpClient
-      .post<T>(Location.joinWithSlash(this._baseURL, entry), body, {
+      .post(Location.joinWithSlash(this._baseURL, entry), body, {
         headers: headers,
         params: params,
         responseType: 'json',
       })
-      .map(response => response)
+      .map((response: string) => <T>JSON.parse(response))
       .catch((error: HttpErrorResponse) => Observable.throw(ErrorResponse.restError(error)));
   }
 
diff --git a/src/packages/member/service/member.service.ts b/src/packages/member/service/member.service.ts
index 91dc191..c2f38af 100644
--- a/src/packages/member/service/member.service.ts
+++ b/src/packages/member/service/member.service.ts
@@ -4,6 +4,7 @@ import { Observable } from 'rxjs/Observable';
 import 'rxjs/add/operator/map';
 
 import { RESTService } from 'packages/commons/service/rest.service';
+import { DomainMember } from 'packages/domain/model';
 
 import { Member } from '../model';
 
@@ -16,16 +17,16 @@ export class MemberService {
 
   }
 
-  public signin(email: string, password: string): Observable<Member> {
+  public signin(email: string, password: string): Observable<DomainMember> {
     const body = {
       signinId: email,
       signinPw: password,
     };
 
-    return this.restService.post('/account/signin', body);
+    return this.restService.post<DomainMember>('/account/signin', body);
   }
 
   public signup(member: Member): Observable<Member> {
-    return this.restService.post('/account/signup', member);
+    return this.restService.post<Member>('/account/signup', member);
   }
 }
diff --git a/src/packages/member/store/auth/auth.action.ts b/src/packages/member/store/auth/auth.action.ts
index e0e0305..8e5d61e 100644
--- a/src/packages/member/store/auth/auth.action.ts
+++ b/src/packages/member/store/auth/auth.action.ts
@@ -2,6 +2,7 @@ import { Action } from '@ngrx/store';
 
 import { ErrorResponse } from 'packages/commons/service/error-response';
 
+import { DomainMember } from 'packages/domain/model';
 import { Member } from '../../model';
 
 export enum ActionType {
@@ -23,7 +24,7 @@ export class Signin implements Action {
 export class SigninSuccess implements Action {
   readonly type = ActionType.SigninSuccess;
 
-  constructor(public payload: Member) {}
+  constructor(public payload: DomainMember) {}
 }
 
 export class SigninFailure implements Action {
diff --git a/src/packages/member/store/auth/auth.effect.ts b/src/packages/member/store/auth/auth.effect.ts
index 0b159ed..e7063ac 100644
--- a/src/packages/member/store/auth/auth.effect.ts
+++ b/src/packages/member/store/auth/auth.effect.ts
@@ -16,6 +16,8 @@ import 'rxjs/add/operator/take';
 
 import { ErrorResponse } from 'packages/commons/service/error-response';
 
+import { DomainMember } from 'packages/domain/model';
+
 import { Member } from '../../model';
 import { MemberService } from '../../service/member.service';
 
@@ -40,8 +42,8 @@ export class Effects {
     .ofType(ActionType.Signin)
     .map((action: Signin) => action.payload)
     .switchMap(payload => this.memberService.signin(payload.email, payload.password))
-    .map(member => {
-      return new SigninSuccess(member);
+    .map((domainMember: DomainMember) => {
+      return new SigninSuccess(domainMember);
     })
     .catch((error: ErrorResponse) => {
       return of(new SigninFailure(error));
diff --git a/src/packages/member/store/auth/auth.reducer.ts b/src/packages/member/store/auth/auth.reducer.ts
index 482944f..89b48df 100644
--- a/src/packages/member/store/auth/auth.reducer.ts
+++ b/src/packages/member/store/auth/auth.reducer.ts
@@ -29,7 +29,8 @@ export function reducer(state = initialState, action: Actions): State {
         isSignin: true,
         error: null,
         isPending: false,
-        member: action.payload,
+        member: action.payload.member,
+        domain: action.payload.domain,
       };
     }
 
@@ -40,6 +41,7 @@ export function reducer(state = initialState, action: Actions): State {
         error: action.payload,
         isPending: false,
         member: null,
+        domain: null,
       };
     }
 
@@ -58,6 +60,7 @@ export function reducer(state = initialState, action: Actions): State {
         error: null,
         isPending: false,
         member: null,
+        domain: null,
       };
     }