{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950872,-0.309584,0.000000,0.000000,0.173139,-0.531788,0.828990,0.000000,-0.256101,0.786601,0.561846,0.000000,-1635174.224820,5022360.308006,3563307.635410,1],    "boundingVolume": {    "region": [1.885469,0.596531,1.885634,0.596700,0.000000,8.765336]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_1386486.b3dm"}}}