https://xxxxxx/v4/live_engine_http_srv/get_member_list?sdkappid=88888888&identifier=admin&usersig=xxx&random=99999999&contenttype=json

{
    "RoomId":"room_id",
    "Next": "" // Initially an empty string, for subsequent requests use the Next value from the previous response, until an empty string indicates all data has been retrieved
}

{
  "ErrorCode": 0, 
  "ErrorInfo": "",
  "ActionStatus": "OK",
  "RequestId": "requestId-123-456",
  "Response" : {
    "Next": "",  //An empty return indicates that all members have been retrieved
    "MemberCount": 2, //Total number of people in the room
    "MemberList":[
      {
        "Member_Account" : "brennan1"
      },
      {
        "Member_Account" : "tandy"
      },
   ] 
  }
}