http POST https://rtm.bearychat.com/message \
    vchannel='=bwFlb'  \
    token= \
    text="this is a test"                                                                  

HTTP/1.1 403 Forbidden
Access-Control-Allow-Methods: GET, POST, PUT, DELETE, OPTIONS
Connection: keep-alive
Content-Length: 59
Content-Type: application/json;charset=utf-8
Date: Wed, 08 Mar 2017 04:16:23 GMT
Server: nginx/1.4.6 (Ubuntu)

{
    "code": 4,
    "error": "没有权限",
    "result": null
}