[Designer] Missing property error showing on Data payload

Problem Description

When using the data payload on the designer the first curly brace shows an error on hover stating that properties "version" and "type" are missing. The error looks like this:

It seems to only be a visual error as the data payload is working as intended despite the error showing.

Card JSON

{
    "fallback": {
        "message": "No graph support. Guess we'll just use this textblock instead.",
        "size": "Large"
    }
}