assets/object/class/box/box8/joint_base_link-link1.json

{"joint_type": "revolute", "upper": 0.0001, "lower": -0.9424777960769379, "joint_transformation": [[0.9967224046618344, 0.059405852229787774, -0.054912592053051504, -0.04780049262515417], [-0.05940585222978772, 0.07672086241176626, -0.9952812939022054, 0.07217947351826587], [-0.05491259205305137, 0.9952812939022047, 0.07999845774992549, -0.011970984072644797], [0.0, 0.0, 0.0, 1.0]]}