{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950941,-0.309372,0.000000,0.000000,0.172660,-0.530718,0.829775,0.000000,-0.256170,0.787411,0.560679,0.000000,-1635610.949026,5027506.118857,3555892.844588,1],    "boundingVolume": {    "region": [1.885256,0.595096,1.885402,0.595316,0.000000,8.729590]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/9_1448456.b3dm"}}}