horizon.users.find("D6B8E9D0-CD96-4C01-BFD6-2AF43141F2A7").fetch().subscribe(
(user) => {
user.data.name = "Bob";
// store() ? isn't it replace()?
// store() docs: "(...) must have id values that do not already exist
// in the collection or an error will be raised"
horizon.users.store(user);
}
);
In http://horizon.io/docs/users/: