Box SignのWebhook

curl -i -X POST "https://api.box.com/2.0/webhooks" \
     -H "authorization: Bearer <ACCESS_TOKEN>" \
     -H "content-type: application/json" \
     -d '{
       "target": {
         "id": "12345",
         "type": "folder"
       },
       "address": "https://example.com/sign-webhooks",
       "triggers": [
         "SIGN_REQUEST.COMPLETED",
         "SIGN_REQUEST.DECLINED",
         "SIGN_REQUEST.EXPIRED"
       ]
     }'

{
  "type": "webhook_event",
  "id": "eb0c4e06-751f-442c-86f8-fd5bb404dbec",
  "created_at": "2024-05-22T08:28:56-07:00",
  "trigger": "SIGN_REQUEST.COMPLETED",
  "webhook": {
    "id": "53",
    "type": "webhook"
  },
  "created_by": {
    "type": "user",
    "id": "226067247",
    "name": "John Q. Developer",
    "login": "johnq@dev.name"
  },
  "source": {
    "id": "73835521473",
    "type": "file",
    "name": "Contract.pdf",
    "item_status": "active"
  },
  "additional_info": {
    "sign_request_id": "123e4567-e89b-12d3-a456-426614174000",
    "signer_emails": [
      "johnq@dev.name",
      "signer@example.com"
    ],
    "external_id": ""
  }
}