{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897910,-0.440178,0.000000,0.000000,0.282587,-0.576443,0.766719,0.000000,-0.336556,0.686534,0.644516,0.000000,-2149593.398444,4384911.507020,4088978.869989,1],    "boundingVolume": {    "region": [2.026530,0.700355,2.026657,0.700424,0.000000,15.942125]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/4_852667.b3dm"}}}