curl --request GET \
  --url https://api.example.com/webhooks/{app_id}/{webhook_id}

{
  "id": "<string>",
  "url": "<string>",
  "app": {
    "id": "<string>",
    "name": "<string>",
    "type": "individual",
    "kyc_return_url": "<string>",
    "use_explorer": true,
    "app_fee": 123,
    "is_member": true,
    "created_at": "2023-11-07T05:31:56Z",
    "updated_at": "2023-11-07T05:31:56Z"
  },
  "created_at": "2023-11-07T05:31:56Z",
  "updated_at": "2023-11-07T05:31:56Z"
}