assets/object/class/box/box1/joint_base_link-link1.json

{"joint_type": "revolute", "upper": 0.0001, "lower": -0.9424777960769379, "joint_transformation": [[1.0, 0.0, 0.0, -0.004161876830338862], [0.0, 1.0, 0.0, 0.0017886251653758678], [0.0, 0.0, 1.0, 0.00018450937979197501], [0.0, 0.0, 0.0, 1.0]]}