diff --git a/lib/entities/account.dart b/lib/entities/account.dart
new file mode 100644
index 0000000..bc6329d
--- /dev/null
+++ b/lib/entities/account.dart
@@ -0,0 +1,29 @@
+import 'package:flutter/widgets.dart';
+import 'profile.dart';
+import 'identity.dart';
+
+@immutable
+class Account {
+  final Profile profile;
+  final Identity identity;
+
+  const Account({required this.profile, required this.identity});
+
+  Account copyWith({Profile? profile, Identity? identity}) {
+    return Account(
+      profile: profile ?? this.profile,
+      identity: identity ?? this.identity,
+    );
+  }
+
+  Account.fromJson(Map<String, dynamic> json)
+      : profile = Profile.fromJson(json['profile']),
+        identity = Identity.fromJson(json['identity']);
+
+  Map<String, dynamic> toJson() {
+    return {
+      'profile': profile.toJson(),
+      'identity': identity.toJson(),
+    };
+  }
+}
diff --git a/lib/entities/identity.dart b/lib/entities/identity.dart
new file mode 100644
index 0000000..d343f86
--- /dev/null
+++ b/lib/entities/identity.dart
@@ -0,0 +1,45 @@
+import 'package:flutter/widgets.dart';
+import 'package:veilid/veilid.dart';
+
+@immutable
+class Identity {
+  final TypedKey identityPublicKey;
+  final TypedKey masterPublicKey;
+  final Signature identitySignature;
+  final Signature masterSignature;
+
+  const Identity(
+      {required this.identityPublicKey,
+      required this.masterPublicKey,
+      required this.identitySignature,
+      required this.masterSignature});
+
+  // Todo with slightly different content.
+  Identity copyWith(
+      {TypedKey? identityPublicKey,
+      TypedKey? masterPublicKey,
+      Signature? identitySignature,
+      Signature? masterSignature}) {
+    return Identity(
+      identityPublicKey: identityPublicKey ?? this.identityPublicKey,
+      masterPublicKey: masterPublicKey ?? this.masterPublicKey,
+      identitySignature: identitySignature ?? this.identitySignature,
+      masterSignature: masterSignature ?? this.masterSignature,
+    );
+  }
+
+  Identity.fromJson(Map<String, dynamic> json)
+      : identityPublicKey = TypedKey.fromJson(json['identity_public_key']),
+        masterPublicKey = TypedKey.fromJson(json['master_public_key']),
+        identitySignature = Signature.fromJson(json['identity_signature']),
+        masterSignature = Signature.fromJson(json['master_signature']);
+
+  Map<String, dynamic> toJson() {
+    return {
+      'identity_public_key': identityPublicKey.toJson(),
+      'master_public_key': masterPublicKey.toJson(),
+      'identity_signature': identitySignature.toJson(),
+      'master_signature': masterSignature.toJson(),
+    };
+  }
+}
diff --git a/lib/entities/profile.dart b/lib/entities/profile.dart
index 37340bf..b3f3fc9 100644
--- a/lib/entities/profile.dart
+++ b/lib/entities/profile.dart
@@ -1,19 +1,33 @@
-class Profile {
-  String name;
-  String publicKey;
-  bool invisible;
+import 'package:flutter/widgets.dart';
+import 'package:veilid/veilid.dart';
 
-  Profile(this.name, this.publicKey) : invisible = false;
+@immutable
+class Profile {
+  final String name;
+  final TypedKey publicKey;
+  final bool invisible;
+
+  const Profile(
+      {required this.name, required this.publicKey, required this.invisible});
+
+  // Todo with slightly different content.
+  Profile copyWith({String? name, TypedKey? publicKey, bool? invisible}) {
+    return Profile(
+      name: name ?? this.name,
+      publicKey: publicKey ?? this.publicKey,
+      invisible: invisible ?? this.invisible,
+    );
+  }
 
   Profile.fromJson(Map<String, dynamic> json)
       : name = json['name'],
-        publicKey = json['public_key'],
+        publicKey = TypedKey.fromJson(json['public_key']),
         invisible = json['invisible'];
 
   Map<String, dynamic> toJson() {
     return {
       'name': name,
-      'public_key': publicKey,
+      'public_key': publicKey.toJson(),
       'invisible': invisible,
     };
   }