{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950887,-0.309539,0.000000,0.000000,0.172895,-0.531123,0.829467,0.000000,-0.256213,0.787070,0.561137,0.000000,-1635884.979758,5025341.953041,3558805.111303,1],    "boundingVolume": {    "region": [1.885432,0.595650,1.885578,0.595869,0.000000,8.752572]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/12_1340287.b3dm"}}}