              "physics": {
                "enabled": true,
                "barnesHut": {
                  "gravitationalConstant": -8000,
                  "centralGravity": 0.3,
                  "springLength": 100,
                  "springConstant": 0.02,
                  "damping": 0.09,
                  "avoidOverlap": 0.1
                },
                "maxVelocity": 50,
                "minVelocity": 0.1,
                "solver": "barnesHut",
                "timestep": 0.35,
                "stabilization": {
                  "enabled": true,
                  "iterations": 1000,
                  "updateInterval": 25
                }
              }
        }