Enable Oculus VR plugin
In Project Setting → Plugin → Oculus VR, set hand only in hand tracking support
Open VR Pawn in VR template, viewport
Disable visible of rendering in both motioncontroller left/right
Add components Oculushand (duplicate, 1 for right and 1 for left)
Child them under each motioncontrollers:
In OculusHand, details, hand properites, set as follow:
Repeat on right hand
Package the UE project, open in oculus Apps → Unknown Soruces