Schema 示例：
{
"title": "OrderCreated",
"type": "object",
"properties": {
"eventId": {
"type": "string",
"description": "唯一标识符"
},
"eventType": {
"type": "string",
"description": "事件类型名称"
},
"timestamp": {
"type": "string",
"format": "date-time",
"description": "事件发生的时间戳"
},
"data": {
"type": "object",
"properties": {
"orderId": {
"type": "string",
"description": "订单ID"
},
"customerId": {
"type": "string",
"description": "顾客ID"
},
"productId": {
"type": "array",
"items": {
"type": "object",
"properties": {
"id": {
"type": "string",
"description": "产品ID"
},
"quantity": {
"type": "integer",
"description": "购买数量"
}
}
}
},
"totalAmount": {
"type": "number",
"description": "订单总金额"
}
}
}
}
}
