sendbird.com子域名：
api-34201740-152e-401e-ad8f-5c72eeaba386.sendbird.com
ws-fa9654c6-c774-4b36-9a10-5998dfcd802f.sendbird.com
api-b201c900-1e6d-4ede-858b-8707e4ee646b.sendbird.com
ws-b201c900-1e6d-4ede-858b-8707e4ee646b.sendbird.com
api-821060c7-4428-4883-8f56-df61ba5a9d3b.sendbird.com
ws-a99cee34-08a5-4baa-903d-1e259ee8f6e9.sendbird.com
api-a99cee34-08a5-4baa-903d-1e259ee8f6e9.sendbird.com
ws-b829b1c3-a68a-4b7f-90cd-2f01974d46d2.sendbird.com