Television Mounting – Solutions for Off-Center TV Mounting to Studs

I’m trying to mount my Samsung Frame above our fireplace. The placement of the studs makes it so the tv would be about 1 1/4 inch off center if I hang it with the included mount anchored into a stud on each end. If I went directly centered no studs would line up with any of the mounting holes. The tv is 55 lbs.

My main question is 1 1/4 inch off center going to be noticeable for 65” tv, over a 71” mantel, viewed normally from a couch 10-11ft away?

The Frame comes with a very specific no-gap mount that makes the tv tight to the wall and look like a painting. We’d like to use the no-gap mount, so that rules out 3rd party mounts. The included mount doesn’t allow for any lateral movement. It does have various mounting holes, but unfortunately but their placement doesn’t span long enough to allow for any studs to be hit while centered. Also wanting to keep the tv tight to the wall rules out mounting plywood across multiple studs and attaching the mount to that.

Update: I was browsing a store and happened to find that a third party makes the exact same no-gap mount. I was hesitant to drill holes in the OEM mount since that'd void the warranty. No qualms drilling the aftermarket mount.

This first picture is the mount lined up with the center of the studs(yellow lines) using the existing holes. You can see the center line is off center.

This next picture is the mount and where the center of the studs(green lines) line up.

If I drill a new hole on the top left side there'll be .56 inches of margin on the left side of the hole. I think that should be ok since the existing holes are only .4 inches from the top. Also since there's a taper, I'll need to move the bottom left hole in a bit and maybe hit slightly off center on the stud. Does that all sound alright?

If I'm trying to follow the manufacturers instructions I should add two sheetrock anchors in addition to the 4 stud holes. If I use anchors in the two center holes(my thumb is covering one) is there enough width between everything? I think it should be alright?

Thanks for your input!!