OLD
room.state.listen(...);
console.log( room.state.data.someDataFromServer );
NEW
room.listen(...);
console.log( room.data.someDataFromServer );
OLD
room.listen("entities/:id/:attribute", "replace", (id, attribute, value) => {
console.log(id, attribute, value);
})
NEW
room.listen("entities/:id/:attribute", (change) => {
console.log(change.path.id, change.path.attribute, change.value);
})