assets/object/class/box/box9/joint_base_link-link1.json

{"joint_type": "revolute", "upper": 0.0001, "lower": -0.6283185307179586, "joint_transformation": [[1.0, 0.0, 0.0, -0.004219186314871809], [0.0, 1.0, 0.0, 0.0015272687593995138], [0.0, 0.0, 1.0, 0.12992611441254492], [0.0, 0.0, 0.0, 1.0]]}