What am I doing wrong with moving a piece?

[JemiloII]

So we have position.

/* Note: */s.send = s.postMessage;

So I've created a new game already and did the startpos.

s.send(`position startpos moves e2e4`);
s.send(`go depth 15`);

returns e2e4...

Trying to get it to move so when I call go again. It thinks of a new move so I can then do something like:

s.send(`position ${chess.fen()} moves e7e6`);