using System.Collections.Generic;
var tenant = new Dictionary<string, Object>
{ "reference", "A new reference" }
var client = new RestClient("https://api.serialized.io");
var request = new RestRequest("tenants/{tenantId}", Method.PUT)
.AddUrlSegment("tenantId", "e9ef574f-4563-4d56-ad9e-0a2d5ce42004")
.AddHeader("Serialized-Access-Key", "<YOUR_ACCESS_KEY>")
.AddHeader("Serialized-Secret-Access-Key", "<YOUR_SECRET_ACCESS_KEY>");
var response = client.Execute(request);