How can I display the json data in a Swift SpreadsheetView

I am using a pod called SpreadsheetView to show data, from a json, in a grid but I don't know how to show them because with this pod it is necessary to invoke an array for each column. I would like to order this data from my json in the corresponding columns and also when touching a cell in a row I was taken to a view to show the related data.

Attached the code of what I have done. The view i use to display the data

import UIKit
import SpreadsheetView

class TiendasViewController: UIViewController, SpreadsheetViewDataSource, SpreadsheetViewDelegate, ConsultaModeloProtocol{

let data = ["Sucursal", "Venta total", "Tickets", "Piezas", "Pzs/Ticket", "Ticket prom.", "Utilidad", "Última venta"]
  let sucursales = ["Hamleys", "Bobby Brown", "Aristocrazy", "Jo Malone"]
  let vtaTotal = ["$1","$1","$1","$1"]
  let tickets = ["1","2","3","4"]
  let pzas = ["10", "20", "30", "40"]
  let pzasTicket = ["20", "40", "60", "80"]
  let tktProm = ["$2", "$4", "$6", "$8"]
  let utilidad = ["10%", "20%", "30%", "40%"]
  let ultVta = ["13:00","14:00","15:00","16:00"]
   
  var feedItems = [DetallesConsulta]()
   
  func itemConsulta(LaConsulta: [DetallesConsulta]) {
    feedItems = LaConsulta
    self.tablaTiendas.reloadData()
     
  }
   
  var selectDato : DetallesConsulta = DetallesConsulta()
   
  private let tablaTiendas = SpreadsheetView()
   
   
  override func viewDidLoad() {
     
    super.viewDidLoad()
     
    let consultaModelo = ConsultaModelo()
    consultaModelo.ElDelegado = self
    consultaModelo.downloadConsulta()
     
    tablaTiendas.dataSource = self
    tablaTiendas.delegate = self
     
    tablaTiendas.contentInset = UIEdgeInsets(top: 4, left: 0, bottom: 4, right: 0)
    tablaTiendas.intercellSpacing = CGSize(width: 4, height: 1)
    tablaTiendas.gridStyle = .none
     
     
    tablaTiendas.gridStyle = .solid(width: 1, color: .blue)
    tablaTiendas.register(SucursalesCell.self, forCellWithReuseIdentifier: String(describing: SucursalesCell.self))
    tablaTiendas.register(DateCell.self, forCellWithReuseIdentifier: String(describing: DateCell.self))
    
     
    view.addSubview(tablaTiendas)
    print("Imprimiendo los feeditems: ", feedItems)
    // Do any additional setup after loading the view.
  }
   
  override func viewDidLayoutSubviews() {
    super.viewDidLayoutSubviews()
    tablaTiendas.frame = CGRect(x: 0, y:216, width: view.frame.size.width, height: view.frame.size.height-100)
  }
   
  override func viewDidAppear(_ animated: Bool) {
    super.viewDidAppear(animated)
    tablaTiendas.flashScrollIndicators()
  }
   
  func spreadsheetView(_ spreadsheetView: SpreadsheetView, cellForItemAt indexPath: IndexPath) -> Cell? {
     
    if case (0...(data.count), 0) = (indexPath.column, indexPath.row) {
       
      let cell = spreadsheetView.dequeueReusableCell(withReuseIdentifier: String(describing: DateCell.self), for: indexPath) as! DateCell
      cell.label.text = data[indexPath.column - 0]
      return cell
       
    } else if case(0, 1...(sucursales.count + 1)) = (indexPath.column, indexPath.row){
       
      let cell = spreadsheetView.dequeueReusableCell(withReuseIdentifier: String(describing: SucursalesCell.self), for: indexPath) as! SucursalesCell
       
      cell.label.text = sucursales[indexPath.row - 1]
      return cell
       
    }
    
    /*
    let cell = tablaTiendas.dequeueReusableCell(withReuseIdentifier: MyLabelCell.identifier, for: indexPath) as! MyLabelCell
    if indexPath.row == 0 {
      cell.setup(with: data[indexPath.column])
      cell.backgroundColor = .systemBlue
    }
    return cell
    */
      
   return nil

  }
   

  func numberOfColumns(in spreadsheetView: SpreadsheetView) -> Int {
    return data.count
  }
   
  func numberOfRows(in spreadsheetView: SpreadsheetView) -> Int {
    return 1 + sucursales.count
  }
   
  func spreadsheetView(_ spreadsheetView: SpreadsheetView, widthForColumn column: Int) -> CGFloat {
    return 200
  }
   
  func spreadsheetView(_ spreadsheetView: SpreadsheetView, heightForRow row: Int) -> CGFloat {
    if case 0 = row{
      return 24
    }else{
      return 55
    }
     
  }
   
  func frozenColumns(in spreadsheetView: SpreadsheetView) -> Int {
    return 1
  }

}

class MyLabelCell: Cell {
   
  private let label = UILabel()
   
  public func setup(with text: String){
    label.text = text
    label.textAlignment = .center
    contentView.addSubview(label)
  }
   
  override func layoutSubviews() {
    super.layoutSubviews()
    label.frame = contentView.bounds
  }
}

class DateCell: Cell {
  let label = UILabel()

  override init(frame: CGRect) {
    super.init(frame: frame)

    label.frame = bounds
    label.autoresizingMask = [.flexibleWidth, .flexibleHeight]
    label.font = UIFont.boldSystemFont(ofSize: 15)
    label.textAlignment = .center

    contentView.addSubview(label)
  }

  required init?(coder aDecoder: NSCoder) {
    super.init(coder: aDecoder)
  }
}

class SucursalesCell: Cell {
  let label = UILabel()

  override init(frame: CGRect) {
    super.init(frame: frame)

    label.frame = bounds
    label.autoresizingMask = [.flexibleWidth, .flexibleHeight]
    label.font = UIFont.monospacedDigitSystemFont(ofSize: 12, weight: UIFont.Weight.medium)
    label.textAlignment = .center

    contentView.addSubview(label)
  }

  override var frame: CGRect {
    didSet {
      label.frame = bounds.insetBy(dx: 6, dy: 0)
    }
  }

  required init?(coder aDecoder: NSCoder) {
    super.init(coder: aDecoder)
  }
}
How can I display the json data in a Swift SpreadsheetView
 
 
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