SendMessageParam

{
    "token": "string",
    "permissionOrganizationIds": [
        0
    ],
    "userId": [
        0
    ],
    "page": "string",
    "tittle": "string",
    "description": "string",
    "emphasis_first_item": true,
    "content_item": {
        "property1": "string",
        "property2": "string"
    },
    "tenantId": 0
}