{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949048,-0.315133,0.000000,0.000000,0.175764,-0.529328,0.830011,0.000000,-0.261015,0.786068,0.560328,0.000000,-1666542.705289,5018927.582788,3553663.325516,1],    "boundingVolume": {    "region": [1.891346,0.594687,1.891440,0.594878,0.000000,21.126474]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/18/27_1462305.b3dm"}}}