{"checkpoints":[{"checkpoint_hash":"zu-wPlkxji1vDrN6pxZ5U7NE0uBtlh3XfZebrlRNMYY","tree_size":0,"issued_at":"2026-07-09T21:10:01Z","root_hash":"t1EjoejatMJfvWgwTdzdi611mAmv0gPk9e72vqS0SvQ"}]}