  The information loss problem in black hole evaporation is one of fundamental
issues. Its resolution requires more profound understanding of information
storage mechanism in quantum systems. In this Letter, we argue that when
multiple unknown parameters are stored in large entangled qudits, strong chaos
generated by fast scrambling in high temperature limit yields an ordered
information storage structure with decoupled quantum information capsules
(QICs). A rotational isometry emerges in the quantum Fisher information metric.
The isometry is expected to be observed in future experiments on cold atoms in
a pure entangled state. We provide a QIC speculation of black hole evaporation.
