[Jerry Wise]

you could re-name the new shape the same as the old shape. then delete the old shape. premiere will want to look for the deleted shape. you point premiere to the new shape with the old name. whew.!

[Jerry Wise]

try running the footage thru HANDBRAKE.

[Jerry Wise]

or just bite the bullet and get Neat Video plugin.
i just tried it and it works well on your footage.

[Jerry Wise]

you could crush the blacks further down to make the noise less noticeable.

[Jerry Wise]

i will give it a try. thank you.

[Jerry Wise]

You could try Secondary Color Correction in the Lumetri panel.

[Jerry Wise]

I guess no one cares to respond.
Maybe no one knows the answer.

[Jerry Wise]

i use Beauty Box from Digital Anarchy

[Jerry Wise]

It’s odd that the specs call for Bottom Field Interlaced. That normally used for Standard Def 4×3.

[Jerry Wise]

hhhmmm…nope