{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949054,-0.315113,0.000000,0.000000,0.176065,-0.530271,0.829345,0.000000,-0.260787,0.785437,0.561318,0.000000,-1665094.191672,5014918.240014,3559954.559283,1],    "boundingVolume": {    "region": [1.891303,0.595925,1.891440,0.596031,0.000000,14.029451]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/9_1374013.b3dm"}}}