{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949310,-0.314343,0.000000,0.000000,0.175606,-0.530327,0.829407,0.000000,-0.260170,0.785708,0.561226,0.000000,-1661149.391952,5016643.261300,3559370.896147,1],    "boundingVolume": {    "region": [1.890492,0.595814,1.890629,0.595920,0.000000,8.597043]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/8_1362091.b3dm"}}}