How to declare precision(2) for datetimeoffset data type in entityframework using webapi

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WebAPI

entity-framework

C#6.0

I'm Declaring a Property with DateTimeOffset DataType in EntityFramework like below:

public class ClientSPOC
   {

       [Key]
       [DatabaseGenerated(DatabaseGeneratedOption.Identity)]
       public int ClientSPOCID { get; set; }
       public string CreatedBy { get; set; }

       [DatabaseGenerated(DatabaseGeneratedOption.Computed)]
       [DefaultValue("getutcdate()")]
       public DateTimeOffset CreatedDate { get; set; }

       public string UpdatedBy { get; set; }

       [DatabaseGenerated(DatabaseGeneratedOption.Computed)]
       [DefaultValue("getutcdate()")]
       public DateTimeOffset UpdatedDate { get; set; }

       public bool IsDelete { get; set; }
       public int ManagerContactID { get; set; }

       //Code for Foreign Key for Client Table
       [Required]
       public int ClientID { get; set; }
       //[ForeignKey("ClientID")]
       //public Client clients { get; set; }

       //Code for Foreign Key for ClientContact Table
       [Required]
       public int ClientContactID { get; set; }
       //[ForeignKey("ClientContactID")]
       //public ClientContact clientcontacts { get; set; }
   }

In the above Example Default Precision for CreatedDate and UpdatedDate is 8 , But I want Precision 2 not 8.

How can I change the Precision for DateTimeOffset(2).

What I have tried:

I tried Like this , But its not working Correctly..Please help me to solve my issue
The below Code is written on Dbcontext Class..

protected override void OnModelCreating(DbModelBuilder modelBuilder)
{

    //Specify the DatetimeOffset with Precision 2 for CreatedDate and UpdatedDate in ClientSPOC
    modelBuilder.Entity<ClientSPOC>().Property(p => p.CreatedDate).HasPrecision(2);
    modelBuilder.Entity<ClientSPOC>().Property(p => p.UpdatedDate).HasPrecision(2);

    base.OnModelCreating(modelBuilder);
}