Particle.subscribe unique device ID not returning correct values

[joedonn]

@kennethlimcp

Particle.subscribe("Humidity1", myHandler1, "123456789ABCDEF");
Particle.subscribe("Humidity2", myHandler2, "ABCDEF123456789");

Does not work, although, the below works.

Particle.subscribe("Humidity1", myHandler1, MY_DEVICES);
Particle.subscribe("Humidity2", myHandler2, MY_DEVICES);

I am performing a copy/paste on the ID numbers, so there are not typos and when I run it in the CLI (particle subscribe Humidity 123456789ABCDEF), the correct values are returned. I guess a workaround is that I'll manage variables in my code and mini deployment, but I believe that is going to make overall device management much more difficult.