{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "Subscription",
  "type": "object",
  "properties": {
    "id": {
      "type": "string",
      "description": "The unique identifier of the subscription."
    },
    "resource": {
      "type": "string",
      "description": "The resource being monitored."
    },
    "changeType": {
      "type": "string",
      "description": "The type of change being monitored."
    },
    "notificationUrl": {
      "type": "string",
      "description": "The URL receiving notifications."
    },
    "expirationDateTime": {
      "type": "string",
      "description": "When the subscription expires."
    },
    "clientState": {
      "type": "string",
      "description": "The client state value for validation."
    }
  }
}