Using JSON to Format Text Boxes

[asotofreita]

I'm running into an issue when trying to edit the JSON file for my powerBI report. I have a solid file, however, I am unable to edit the formatting for text boxes in the file. I found a solution from 2021. However, it seems to no longer work with the 8/2023 version of PowerBI. Would anyone have a code snippet they are willing to share? 

       "textbox": {

            "*": {

                "*": [

                    {

                        "fontSize": 14,

                        "fontface": "Arial",

                        "color": "#333333"

                            }

                ],

}}