Your frog sounds fine. The humidity is a little on the low side, but probably not enough to really cause problems in the short term, especially if the substrate is moist. Try to get it up to around 80% though.

I seriously doubt there are toxins or anything in the eco-earth.

If you recently rearranged or cleaned anything in the tank, your frog probably just got a little stressed. Mine spends about twenty minutes trying to climb out of her tank every time I do a thorough cleaning. I think no matter how well you wash out the cleaning chemicals, they can probably still pick up on them and are probably a little freaked out by it. Sometimes mine does it when she's uncovered herself to shed as well.