UserResult.cs

public class UserResult
{
    [BsonElement("count")]
    public int Count { get; init; }

    [BsonElement("groupId")]
    public Guid GroupId { get; init; }

    [BsonId]
    [BsonElement("_id")]
    [BsonRepresentation(BsonType.ObjectId)]
    public string Id { get; init; }

    [BsonElement("lbKey")]
    public LeaderBoardKey LeaderBoardKey { get; init; }

    [BsonElement("lose")]
    public int Lost { get; init; }

    [BsonElement("profit")]
    public decimal Profit { get; init; }

    [BsonElement("updatedAt")]
    public DateTime UpdatedAt { get; set; }

    [BsonElement("userId")]
    public Guid UserId { get; init; }

    /// Represents the unique identifier for a user's profile.
    /// This property may be nullable, indicating the absence of a specific profile association.
    /// null=hidden
    [BsonElement("profileId")]
    public Guid? ProfileId { get; set; } // 

    [BsonElement("won")]
    public int Won { get; init; }
}