{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950264,-0.311445,0.000000,0.000000,0.173934,-0.530700,0.829521,0.000000,-0.257807,0.786607,0.561058,0.000000,-1646061.703453,5022379.389199,3558298.144984,1],    "boundingVolume": {    "region": [1.887460,0.595605,1.887559,0.595721,0.000000,8.820970]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1428354.b3dm"}}}