{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896601,-0.442840,0.000000,0.000000,0.282877,-0.572730,0.769390,0.000000,-0.339780,0.687940,0.641317,0.000000,-2170153.514256,4393829.997251,4068631.129011,1],    "boundingVolume": {    "region": [2.029468,0.696157,2.029651,0.696270,0.000000,38.099943]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/6/7_494467.b3dm"}}}