{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858247,-0.513236,0.000000,0.000000,0.262903,-0.439634,0.858839,0.000000,-0.440007,0.735792,0.514786,0.000000,-2808918.715748,4697147.826842,3264291.067929,1],    "boundingVolume": {    "region": [2.109666,0.540695,2.109830,0.540820,0.000000,73.131566]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/10_435976.b3dm"}}}