MongoDb

    const blogId =  req.body._id;
    userSchema.updateOne(
                         {_id : userId}, 
                         {$pull : {allBlogs : {_id :blogId }}}
                         ).exec((err, data) => {
      if (err) throw new Error(err);
      return apiResponse.successResponseWithData(res,'deleted',data);
    })

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