How to get a specific field value from a nested JSON in C#?

using Newtonsoft.Json.Linq;

string rawJson = 
    $$""" 
      {
      	"Status": true,
      	"Message": "Shipment Creation Successful",
      	"ResponseData": [{
      		"PickupBranchCode": "DKPG",
      		"DeliveryRouteCode": "HAKHG2M3",
      		"WayBill": ["ZND167281208805"],
      		"DeliveryHubCode": "HAKH",
      		"DeliveryBranchCode": "HAKH",
      		"PickupRouteCode": "DUSJW2WE",
      		"PickupHubCode": "HSHM"
      	}],
      	"Reason": null
      }
      """;

JObject jObj = JObject.Parse(rawJson);

IEnumerable<string> billNumbers = jObj
    .SelectToken("$.ResponseData[0]['WayBill']")
    .Values<string>();

string wayBillNumber = string.Join(", ", billNumbers);

Console.WriteLine($"WaBill #: {wayBillNumber}");