Excel modify

using System;
using System.Collections.Generic;

public class PlaceOfService
{
    public int Id { get; set; }
    public int DocumentId { get; set; }
    public string LocCode { get; set; }
    public string PlaceOfServiceName { get; set; }
}

public class ServiceRecord
{
    public int DocumentId { get; set; }
    public int DocumentTemplateId { get; set; }
    public int TemplateTypeId { get; set; }
    public string ClientId { get; set; }
    public int ServiceId { get; set; }
    public int SiteId { get; set; }
    public string SiteName { get; set; }
    public DateTime ServiceDate { get; set; }
    public DateTime UtcDateCreated { get; set; }
    public string TemplateName { get; set; }
    public string ClientFName { get; set; }
    public string ClientMName { get; set; }
    public string ClientLName { get; set; }
    public string DateOfBirth { get; set; }
    public DateTime StartTime { get; set; }
    public DateTime EndTime { get; set; }
    public int RecordingMethodId { get; set; }
    public int ShiftId { get; set; }
    public string ShiftName { get; set; }
    public double TotalMinutes { get; set; }
    public string Service { get; set; }
    public int TotalRecords { get; set; }
    public int DocStatusId { get; set; }
    
}

var options = new JsonSerializerOptions
{
    NumberHandling = JsonNumberHandling.AllowReadingFromString | JsonNumberHandling.WriteAsString 
};

public int? Modifier { get; set; }

public List<PlaceOfService> PlaceOfServices {get;set;}