POST /webhook HTTP/1.1
Content-Length: 6123
Content-Type: application/json
Authorization: Bearer eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9...
Host: example.com

{
   "action": "opened",
   "issue": {
     "url": "https://api.github.com/repos/octocat/...",
     "number": 1347,
     ...
   },
   "repository" : {
     "id": 1296269,
     "full_name": "octocat/Hello-World",
     "owner": {
       "login": "octocat",
       "id": 1,
       ...
     },
     ...
   },
   "sender": {
     "login": "octocat",
     "id": 1,
     ...
   }
 }