{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898753,-0.438454,0.000000,0.000000,0.283245,-0.580602,0.763330,0.000000,-0.333745,0.684118,0.648535,0.000000,-2131673.822985,4369552.445486,4114548.982499,1],    "boundingVolume": {    "region": [2.024592,0.705598,2.024757,0.705717,0.000000,12.192128]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/9_1832720.b3dm"}}}