NotificationCreate(NotificationCreate)

{
    "type": "announcement",
    "priority": "low",
    "title": "string",
    "content": "string",
    "summary": "string",
    "template_id": "string",
    "business_type": "string",
    "business_id": "string",
    "related_resource": "string",
    "sender_id": "3194e023-c19f-4a42-9172-9e18d68e3a3a",
    "recipient_id": "b6731cb5-d462-49ea-afb8-7933b670b560",
    "data": {
        "property1": "string",
        "property2": "string"
    },
    "meta_data": {
        "property1": "string",
        "property2": "string"
    },
    "scheduled_at": "2019-08-24T14:15:22.123Z",
    "expires_at": "2019-08-24T14:15:22.123Z",
    "channels": [
        "IN_APP"
    ],
    "preferred_channel": "IN_APP"
}