{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896691,-0.442657,0.000000,0.000000,0.286815,-0.581001,0.761692,0.000000,-0.336215,0.681072,0.650462,0.000000,-2147469.680336,4350133.921178,4126810.270260,1],    "boundingVolume": {    "region": [2.029307,0.708154,2.029405,0.708230,0.000000,6.726026]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/15_1799471.b3dm"}}}