According to the official documentation,
You can use this context([$FieldName]) to reference the values of other fields within the same row by specifying the internal name of the field surrounded by square brackets and preceded by a dollar sign: [$InternalName].
So, you need to use the internal name of your Name column in your JSON code.
Check below URL ...
It's a half solution but you can try it. If you enter dd/MM/YYYY, it should work.
You can get the regional settings using REST API as shown below.
You can get the date format number and date separatore using the above api