Question Seams on tangent space map

I'm using anisotropy material with the directional (tangent) map applied. I can not get rid of the seams in Unity. The map was done in substance. It fits perfectly in the Unreal engine, also it doesn't show any seams in Marmoset. But once I am trying to use it in Unity, all my seams become visible on the model (lighting issue). I was using 128, 255, 128 color as an up vector while making the map. By this tutorial: https://substance3d.adobe.com/documentation/spdoc/flow-map-painting-143327274.html

And here is a seam