param('uri').custom(isValidActorHandle).withMessage('Should have a valid URI to unfollow'),
async (req: express.Request, res: express.Response, next: express.NextFunction) => {
param('uri').custom(isValidActorHandle).withMessage('Should have a valid URI to unfollow'),
async (req: express.Request, res: express.Response, next: express.NextFunction) => {