{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897894,-0.440212,0.000000,0.000000,0.282596,-0.576407,0.766743,0.000000,-0.336593,0.686543,0.644488,0.000000,-2149824.248116,4384965.872241,4088800.403513,1],    "boundingVolume": {    "region": [2.026568,0.700318,2.026694,0.700387,0.000000,33.682253]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/3_852207.b3dm"}}}