How to deserialize serialized object into document of key and values with BSON types?

Problem Statement

We have following collection movies, and we created one variable serializedData which contains the serialized data for document where name is Lex. Now we have to deserialize it again in document of key and values.

Collection Name: movies

[
    {
      _id: ObjectId('602e693f7e8df9001191c1a1'),
      title: 'Inception',
      release_year: 2010,
      director: 'Christopher Nolan',
      genres: [ 'Action', 'Adventure', 'Sci-Fi' ],
      cast: [ 'Leonardo DiCaprio', 'Joseph Gordon-Levitt', 'Ellen Page' ],
      plot: 'A thief who enters the dreams of others to steal their secrets from their subconscious.',
      ratings: { imdb: 8.8, rotten_tomatoes: 87, metacritic: 74 },
      box_office: { budget: 160000000, gross: 829895144 }
    },
    {
      _id: ObjectId('602e693f7e8df9001191c1a2'),
      title: 'The Dark Knight',
      release_year: 2008,
      director: 'Christopher Nolan',
      genres: [ 'Action', 'Crime', 'Drama' ],
      cast: [ 'Christian Bale', 'Heath Ledger', 'Aaron Eckhart' ],
      plot: 'When the menace known as The Joker emerges from his mysterious past, he wreaks havoc and chaos on the people of Gotham.',
      ratings: { imdb: 9, rotten_tomatoes: 94, metacritic: 84 },
      box_office: { budget: 185000000, gross: 1004558444 }
    },
    {
      _id: ObjectId('602e693f7e8df9001191c1a3'),
      title: 'The Shawshank Redemption',
      release_year: 1994,
      director: 'Frank Darabont',
      genres: [ 'Drama' ],
      cast: [ 'Tim Robbins', 'Morgan Freeman', 'Bob Gunton' ],
      plot: 'Two imprisoned men bond over a number of years, finding solace and eventual redemption through acts of common decency.',
      ratings: { imdb: 9.3, rotten_tomatoes: 91, metacritic: 80 },
      box_office: { budget: 25000000, gross: 58700000 }
    },
    {
      _id: ObjectId('602e693f7e8df9001191c1a4'),
      title: 'Pulp Fiction',
      release_year: 1994,
      director: 'Quentin Tarantino',
      genres: [ 'Crime', 'Drama' ],
      cast: [ 'John Travolta', 'Uma Thurman', 'Samuel L. Jackson' ],
      plot: 'The lives of two mob hitmen, a boxer, a gangster and his wife, and a pair of diner bandits intertwine in four tales of violence and redemption.',
      ratings: { imdb: 8.9, rotten_tomatoes: 92, metacritic: 94 },
      box_office: { budget: 8000000, gross: 213928762 }
    },
    {
      _id: ObjectId('602e693f7e8df9001191c1a5'),
      title: 'The Godfather',
      release_year: 1972,
      director: 'Francis Ford Coppola',
      genres: [ 'Crime', 'Drama' ],
      cast: [ 'Marlon Brando', 'Al Pacino', 'James Caan' ],
      plot: 'The aging patriarch of an organized crime dynasty transfers control of his clandestine empire to his reluctant son.',
      ratings: { imdb: 9.2, rotten_tomatoes: 98, metacritic: 100 },
      box_office: { budget: 6000000, gross: 245066411 }
    }
    /* serialized Object */
    
    var serializedData = EJSON.serialize(db.movies.findOne({"title":"The Godfather"}))
]

To learn more about ObjectId see : All about ObjectId in MongoDB.