{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858210,-0.513299,0.000000,0.000000,0.262911,-0.439573,0.858867,0.000000,-0.440076,0.735784,0.514738,0.000000,-2809357.282823,4697099.544824,3263985.174141,1],    "boundingVolume": {    "region": [2.109739,0.540639,2.109903,0.540764,0.000000,73.722900]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/10_423929.b3dm"}}}