{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897884,-0.440232,0.000000,0.000000,0.282605,-0.576392,0.766751,0.000000,-0.336612,0.686543,0.644478,0.000000,-2149946.232967,4384965.398421,4088737.197681,1],    "boundingVolume": {    "region": [2.026590,0.700305,2.026717,0.700374,0.000000,13.719550]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/3_852056.b3dm"}}}