I want to use signalR, my project multilayer (1-domain layer2-api layer-3-ui layer

i want to use signalR in my project. my project is developed as multi Layer as( 1- domain layer, 2- api layer, 3- ui layer) i code by mvc -mssql and use owin for authentication.. data transferin by jquery from api.. now i want to check tables like as personel_tbl and how i can get andy changes in my table by using signalr