{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949058,-0.315102,0.000000,0.000000,0.176058,-0.530271,0.829347,0.000000,-0.260779,0.785441,0.561316,0.000000,-1665039.938102,5014944.596625,3559942.884770,1],    "boundingVolume": {    "region": [1.891292,0.595922,1.891429,0.596029,0.000000,14.029451]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/9_1374032.b3dm"}}}