{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949733,-0.313060,0.000000,0.000000,0.174965,-0.530793,0.829244,0.000000,-0.259057,0.785902,0.561469,0.000000,-1654045.506222,5017891.064094,3560909.572773,1],    "boundingVolume": {    "region": [1.889133,0.596075,1.889286,0.596244,0.000000,19.004798]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/4_1435147.b3dm"}}}