{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896918,-0.442198,0.000000,0.000000,0.282370,-0.572736,0.769572,0.000000,-0.339368,0.688347,0.641099,0.000000,-2167521.661245,4396423.264338,4067241.828396,1],    "boundingVolume": {    "region": [2.028752,0.695873,2.028935,0.695985,0.000000,51.727652]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/4_448794.b3dm"}}}