diff --git a/js/docx/smoke/api_document_content/to_json.js b/js/docx/smoke/api_document_content/to_json.js
index 5b7f36a88..2a9796630 100644
--- a/js/docx/smoke/api_document_content/to_json.js
+++ b/js/docx/smoke/api_document_content/to_json.js
@@ -6,8 +6,22 @@ builder.CreateFile("docx");
     var oDrawing = Api.CreateShape("rect", 3212465, 963295, oFill, oStroke);
         oParagraph.AddDrawing(oDrawing);
     var oDocContent = oDrawing.GetDocContent();
+// Add Hyperlink
         oParagraph = oDocContent.GetElement(0);
-        oParagraph.AddText("Simple text");
+        oParagraph.AddText('Hyperlink');
+    var oRange = oParagraph.GetRange(0, 8);
+        oRange.AddHyperlink('https://api.onlyoffice.com')
+// Add BlockLvlSdt
+    var oBlockLvlSdt = Api.CreateBlockLvlSdt();
+        oBlockLvlSdt.AddText('oBlockLvlSdt');
+        oDocContent.Push(oBlockLvlSdt);
+// Add Table
+    var oTableStyle = oDocument.CreateStyle("CustomTableStyle", "table");
+        oTableStyle.SetBasedOn(oDocument.GetStyle("Bordered - Accent 5"));
+    var oTable = Api.CreateTable(3, 3);
+        oTable.SetWidth("percent", 100);
+        oTable.SetStyle(oTableStyle);
+        oDocContent.Push(oTable);
     var json = oDocContent.ToJSON(true, true);
 GlobalVariable["JSON"] = json;
 builder.CloseFile();
@@ -17,10 +31,12 @@ builder.CloseFile();
 builder.CreateFile("docx");
     var json = GlobalVariable["JSON"]
     var oDocContentFromJSON = Api.FromJSON(json);
-        Api.ReplaceDocumentContent(oDocContentFromJSON);
     var oDocument = Api.GetDocument();
+    for( let el = 0; el < oDocContentFromJSON.GetElementsCount(); el++ ) {
+        oDocument.Push(oDocContentFromJSON.GetElement(el))
+    }
     var oParagraph = Api.CreateParagraph();
         oParagraph.AddText(json);
         oDocument.Push(oParagraph);
-builder.SaveFile("docx", "ParagraphToJSON.docx");
+builder.SaveFile("docx", "DocContentToJSON.docx");
 builder.CloseFile();
diff --git a/spec/docx/smoke/api_document_content_spec.rb b/spec/docx/smoke/api_document_content_spec.rb
index 14c0505f6..e65303fe7 100644
--- a/spec/docx/smoke/api_document_content_spec.rb
+++ b/spec/docx/smoke/api_document_content_spec.rb
@@ -56,8 +56,13 @@
 
   it 'ApiDocumentContent | ToJSON method' do
     docx = builder.build_and_parse('js/docx/smoke/api_document_content/to_json.js')
-    expect(docx.elements[0].nonempty_runs.first.text).to eq('Simple text')
-    json = JSON.parse(docx.elements[1].nonempty_runs.first.text)
+    expect(docx.elements[1].hyperlink.action.to_s).to eq('external_link')
+    # TODO: add block content control checking
+    expect(docx.elements[4].number).to eq(3)
+    json = JSON.parse(docx.elements[7].nonempty_runs.first.text)
     expect(json['type']).to eq('docContent')
+    expect(json['content'][0]['content'][2]['type']).to eq('hyperlink')
+    expect(json['content'][1]['type']).to eq('blockLvlSdt')
+    expect(json['content'][2]['type']).to eq('table')
   end
 end