POST device access result

Name	Type	Description
displayName	string	display name of the principal
error	Validation error (optional)	error details if operation failed
id	UUID	device access id
principalId	UUID	principal (user or group) UID that device access is granted for
principalType	number	0 = User, 1 = UserGroup
success	boolean	operation success status
userEmail	string	user email that device access is granted for