{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950214,-0.311598,0.000000,0.000000,0.174262,-0.531410,0.828997,0.000000,-0.257770,0.786064,0.561835,0.000000,-1645829.887292,5018928.990885,3563237.049407,1],    "boundingVolume": {    "region": [1.887595,0.596509,1.887747,0.596695,0.000000,8.804214]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1399210.b3dm"}}}