diff --git a/crates/rooch-framework-tests/tests/cases/mvir_tests/data_struct/data_struct_valid_mixed_nested_struct_and_vector.exp b/crates/rooch-framework-tests/tests/cases/mvir_tests/data_struct/data_struct_valid_mixed_nested_struct_and_vector.exp
new file mode 100644
index 0000000000..68c4c49cca
--- /dev/null
+++ b/crates/rooch-framework-tests/tests/cases/mvir_tests/data_struct/data_struct_valid_mixed_nested_struct_and_vector.exp
@@ -0,0 +1,4 @@
+processed 1 task
+
+task 0 'publish'. lines 1-86:
+status EXECUTED
diff --git a/crates/rooch-framework-tests/tests/cases/mvir_tests/data_struct/data_struct_valid_mixed_nested_struct_and_vector.mvir b/crates/rooch-framework-tests/tests/cases/mvir_tests/data_struct/data_struct_valid_mixed_nested_struct_and_vector.mvir
new file mode 100644
index 0000000000..25f606e8e4
--- /dev/null
+++ b/crates/rooch-framework-tests/tests/cases/mvir_tests/data_struct/data_struct_valid_mixed_nested_struct_and_vector.mvir
@@ -0,0 +1,86 @@
+//# publish
+module 0x11.TestModule1 {
+    import 0x1.string;
+    import 0x2.table;
+    import 0x1.option;
+
+    struct Media has store, copy, drop {
+        id: string.String,
+        url: string.String,
+        title: string.String,
+        source: string.String,
+        description: string.String,
+        text: string.String,
+        contentType: string.String,
+    }
+
+    struct Content has store, copy, drop {
+            text: string.String,
+            action: option.Option<string.String>,
+            source: option.Option<string.String>,
+            url: option.Option<string.String>,
+            inReplyTo: option.Option<string.String>,
+            attachments: vector<Self.Media>,
+    }
+
+    struct Memory has store, copy, drop {
+            id: string.String,
+            userId: string.String,
+            agentId: string.String,
+            createdAt: option.Option<u64>,
+            content: Self.Content,
+            character: string.String,
+            embedding: vector<u128>,
+            roomId: string.String,
+            unique: bool,
+            similarity: option.Option<u128>,
+    }
+
+    struct MessageTemplate has store, copy, drop{
+            user: string.String,
+            content: Self.Content,
+    }
+
+    struct MemoryStore has key {
+            agent_account: address,
+            store: table.Table<string.String, Self.Memory>,
+    }
+
+    struct Style has store, copy, drop {
+            all: vector<string.String>,
+            chat: vector<string.String>,
+            post: vector<string.String>,
+    }
+
+    struct Character has key {
+                /// Optional UUID for the character.
+                id: option.Option<string.String>,
+                name: string.String,
+                username: string.String,
+                plugins: vector<string.String>,
+                clients: vector<string.String>,
+                modelProvider: string.String,
+                imageModelProvider: option.Option<string.String>,
+                imageVisionModelProvider: option.Option<string.String>,
+                modelEndpointOverride: option.Option<string.String>,
+                system: string.String,
+                bio: vector<string.String>,
+                lore: vector<string.String>,
+                messageExamples: vector<vector<Self.MessageTemplate>>,
+                postExamples: vector<string.String>,
+                topics: vector<string.String>,
+                style: Self.Style,
+                adjectives: vector<string.String>,
+                knowledge: vector<string.String>,
+    }
+
+    metadata {
+        data_struct {
+            0x11::TestModule1::Media -> true;
+            0x11::TestModule1::Content -> true;
+            0x11::TestModule1::Memory -> true;
+            0x11::TestModule1::Style -> true;
+            0x11::TestModule1::MessageTemplate -> true;
+        }
+    }
+}
diff --git a/crates/rooch-framework-tests/tests/cases/mvir_tests/data_struct/data_struct_valid_nested_struct.exp b/crates/rooch-framework-tests/tests/cases/mvir_tests/data_struct/data_struct_valid_nested_struct.exp
new file mode 100644
index 0000000000..8f7c83bcc3
--- /dev/null
+++ b/crates/rooch-framework-tests/tests/cases/mvir_tests/data_struct/data_struct_valid_nested_struct.exp
@@ -0,0 +1,4 @@
+processed 1 task
+
+task 0 'publish'. lines 1-51:
+status EXECUTED
diff --git a/crates/rooch-framework-tests/tests/cases/mvir_tests/data_struct/data_struct_valid_nested_struct.mvir b/crates/rooch-framework-tests/tests/cases/mvir_tests/data_struct/data_struct_valid_nested_struct.mvir
new file mode 100644
index 0000000000..586fee48e1
--- /dev/null
+++ b/crates/rooch-framework-tests/tests/cases/mvir_tests/data_struct/data_struct_valid_nested_struct.mvir
@@ -0,0 +1,51 @@
+//# publish
+module 0x11.TestModule1 {
+    import 0x1.string;
+    import 0x2.table;
+    import 0x1.option;
+
+    struct Media has store, copy, drop {
+        id: string.String,
+        url: string.String,
+        title: string.String,
+        source: string.String,
+        description: string.String,
+        text: string.String,
+        contentType: string.String,
+    }
+
+    struct Content has store, copy, drop {
+            text: string.String,
+            action: option.Option<string.String>,
+            source: option.Option<string.String>,
+            url: option.Option<string.String>,
+            inReplyTo: option.Option<string.String>,
+            attachments: vector<Self.Media>,
+    }
+
+    struct Memory has store, copy, drop {
+            id: string.String,
+            userId: string.String,
+            agentId: string.String,
+            createdAt: option.Option<u64>,
+            content: Self.Content,
+            character: string.String,
+            embedding: vector<u128>,
+            roomId: string.String,
+            unique: bool,
+            similarity: option.Option<u128>,
+    }
+
+    struct MemoryStore has key {
+            agent_account: address,
+            store: table.Table<string.String, Self.Memory>,
+    }
+
+    metadata {
+        data_struct {
+            0x11::TestModule1::Media -> true;
+            0x11::TestModule1::Content -> true;
+            0x11::TestModule1::Memory -> true;
+        }
+    }
+}
diff --git a/crates/rooch-framework-tests/tests/cases/mvir_tests/data_struct/data_struct_valid_nested_vector.exp b/crates/rooch-framework-tests/tests/cases/mvir_tests/data_struct/data_struct_valid_nested_vector.exp
new file mode 100644
index 0000000000..257877ea4b
--- /dev/null
+++ b/crates/rooch-framework-tests/tests/cases/mvir_tests/data_struct/data_struct_valid_nested_vector.exp
@@ -0,0 +1,4 @@
+processed 1 task
+
+task 0 'publish'. lines 1-67:
+status EXECUTED
diff --git a/crates/rooch-framework-tests/tests/cases/mvir_tests/data_struct/data_struct_valid_nested_vector.mvir b/crates/rooch-framework-tests/tests/cases/mvir_tests/data_struct/data_struct_valid_nested_vector.mvir
new file mode 100644
index 0000000000..8a0b4c2a43
--- /dev/null
+++ b/crates/rooch-framework-tests/tests/cases/mvir_tests/data_struct/data_struct_valid_nested_vector.mvir
@@ -0,0 +1,67 @@
+//# publish
+module 0x11.TestModule1 {
+    import 0x1.string;
+    import 0x2.table;
+    import 0x1.option;
+
+    struct Style has store, copy, drop {
+        all: vector<string.String>,
+        chat: vector<string.String>,
+        post: vector<string.String>,
+    }
+
+    struct Media has store, copy, drop {
+            id: string.String,
+            url: string.String,
+            title: string.String,
+            source: string.String,
+            description: string.String,
+            text: string.String,
+            contentType: string.String,
+    }
+
+   struct Content has store, copy, drop {
+            text: string.String,
+            action: option.Option<string.String>,
+            source: option.Option<string.String>,
+            url: option.Option<string.String>,
+            inReplyTo: option.Option<string.String>,
+            attachments: vector<Self.Media>,
+   }
+
+    struct MessageTemplate has store, copy, drop{
+        user: string.String,
+        content: Self.Content,
+    }
+
+    struct Character has key {
+            /// Optional UUID for the character.
+            id: option.Option<string.String>,
+            name: string.String,
+            username: string.String,
+            plugins: vector<string.String>,
+            clients: vector<string.String>,
+            modelProvider: string.String,
+            imageModelProvider: option.Option<string.String>,
+            imageVisionModelProvider: option.Option<string.String>,
+            modelEndpointOverride: option.Option<string.String>,
+            system: string.String,
+            bio: vector<string.String>,
+            lore: vector<string.String>,
+            messageExamples: vector<vector<Self.MessageTemplate>>,
+            postExamples: vector<string.String>,
+            topics: vector<string.String>,
+            style: Self.Style,
+            adjectives: vector<string.String>,
+            knowledge: vector<string.String>,
+    }
+
+    metadata {
+        data_struct {
+            0x11::TestModule1::Style -> true;
+            0x11::TestModule1::Content -> true;
+            0x11::TestModule1::Media -> true;
+            0x11::TestModule1::MessageTemplate -> true;
+        }
+    }
+}