{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948993,-0.315298,0.000000,0.000000,0.176058,-0.529902,0.829583,0.000000,-0.261016,0.785613,0.560966,0.000000,-1666554.546019,5016034.828971,3557712.492017,1],    "boundingVolume": {    "region": [1.891499,0.595498,1.891636,0.595605,0.000000,8.694383]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/5_1070972.b3dm"}}}