In Respnse body of websocket single read sample getting “0{”sid“:”0R5MOwwl9h6BGZmoACoF“,”upgrades“:[],”pingInterval“:25000,”pingTimeout“:5000}”

Question

In Respnse body of websocket single read sample getting "0{"sid":"0R5MOwwl9h6BGZmoACoF","upgrades":[],"pingInterval":25