How can I add a liquid file to a JSON file in a custom template?

[Dhanushddp]

I have create a liquid file under sections 'newPage.liquid' and i need to add it in a custom template file

How to add it under custom-liquid object and render it an page

"custom_liquid_yqUcHy": {
"type": "custom-liquid",
"settings": {
"custom_liquid":  New Page liquid file to be inserted here,
"color_scheme": "background-1",
"padding_top": 40,
"padding_bottom": 52
}
}