assets/object/class/box/box0/joint_base_link-link1.json

{"joint_type": "revolute", "upper": 6.283185307179586, "lower": -0.001, "joint_transformation": [[1.0, 0.0, 0.0, 0.002198057361203598], [0.0, 1.0, 0.0, 0.0025096007686038688], [0.0, 0.0, 1.0, 0.04733180535974388], [0.0, 0.0, 0.0, 1.0]]}