{
    "platform":[
        "ios",
        "android"
    ],
    "fromuserid":"fromuseId1",
    "audience":{
        "tag":[
            "女",
            "年轻",
            "北京"
        ],
        "userid":[
            "123",
            "456"
        ],
        "is_to_all":false
    },
    "message":{
        "content":"{\"content\":\"1111\",\"extra\":\"aa\"}",
        "objectName":"RC:TxtMsg"
    },
    "notification":{
        "alert":"this is a push",
        "ios":{
            "alert":"override alert",
            "extras":{
                "id":"1",
                "name":"2"
            }
        },
        "android":{
            "alert":"override alert",
            "extras":{
                "id":"1",
                "name":"2"
            }
        }
    }
}