Untitled

<body>
  <referenceContainer name="product.info.main">
    <block class="Mirasvit\Related\Block\BlockWrapper" name="related_block_2">
      <action method="setData">
        <argument name="name" xsi:type="string">block_id</argument>
        <argument name="value" xsi:type="number">2</argument>
      </action>
    </block>
  </referenceContainer>
</body>