Doesn't return content, links, images and fields when serializing

[anastasiuspernat]

I'm using contentful/laravel version 8.2.0 with PHP 7.4. And getting entries like this:

        $query = new Query();
        $query->setContentType('page')
        ->where('fields.slug', "test")
        ->setInclude(10); 
        $entries = $client->getEntries($query); 

The $entries do contain all the data when I var_dump them. But when I serialize them with json_encode the resulting object doesn't provide included entries and fields like content or fields (see below - content is []). There are no images and files. I have custom fields, they're not serialized either:

{
  "sys": { "type": "Array" },
  "total": 1,
  "limit": 100,
  "skip": 0,
  "items": [
    {
      ...
      "fields": {
        "title": "Test Test Test",
        "slug": "test",
        "description": "Full CMS Content Rendering Test",
        "body": {
          "nodeType": "document",
          "content": [
            {
              "nodeType": "embedded-entry-block",
              "data": {
                "target": {
                  "sys": {
                    "type": "Link",
                    "id": "XXXXXXXXXXXXXXXXXX",
                    "linkType": "Entry"
                  }
                }
              },
              "content": []  // <------ here
            },
...

Is that right? Should I serialize everything myself?
For example when using Contentful Javascript SDK, there's the whole JSON object with all levels of hierarchy in the output.

[yeisonm-legops]

I have the same problem here. The request returns the complete information but when the build is done, the includes are removed