{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948986,-0.315319,0.000000,0.000000,0.176254,-0.530457,0.829186,0.000000,-0.260907,0.785229,0.561554,0.000000,-1665861.897275,5013591.763916,3561453.343178,1],    "boundingVolume": {    "region": [1.891520,0.596210,1.891657,0.596316,0.000000,8.231187]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1066593.b3dm"}}}