{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949047,-0.315134,0.000000,0.000000,0.176091,-0.530312,0.829313,0.000000,-0.260794,0.785401,0.561366,0.000000,-1665139.718141,5014688.276218,3560255.169435,1],    "boundingVolume": {    "region": [1.891325,0.595982,1.891462,0.596088,0.000000,14.029451]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/9_1373504.b3dm"}}}