Angular: access to variable which is declared inside subscribe function

Question

i need to get access to the variable 'u' from subscribe ( they are all in the ngOnInit )

 this.currentUser = this.tokenStorageService.getUser();

 this.userService.getAdminBoard().subscribe(
 
  data => {
    this.content = data;
    this.show = true;
    console.log('test')
    this.u = this.currentUser; // this one
    console.log(this.u) ; 
  },
  err => {
    this.content = JSON.parse(err.error).message;
    this.show = false;
  }
  
);