You can click the table.

You can edit the columns then press the "Set" button.

First data in the data table

order.0:
{
  "id": 10271,
  "customerId": "SPLIR",
  "employeeId": 6,
  "orderDate": "2019-08-01 00:00:00.000",
  "requiredDate": "2019-08-29 00:00:00.000",
  "shippedDate": "2019-08-30 00:00:00.000",
  "shipVia": 2,
  "freight": 4.54,
  "shipName": "Split Rail Beer & Ale",
  "shipAddress": {
    "street": "P.O. Box 555",
    "city": "Lander",
    "region": "WY",
    "postalCode": 82520,
    "country": "USA"
  }
}