API.onEntityStreamIn.connect((entity, entityType) => {
    var player = API.getLocalPlayer();
    if (API.getEntitySyncedData(player, "playerId") != player) {
        var label = API.createTextLabel("ID: " + API.getEntitySyncedData(entity, "playerId"), API.getEntityPosition(entity), 50.0, 0.4, true);
        API.attachEntity(label, entity, null, new Vector3(0, 0, 1.0), new Vector3());
    }
});