{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897925,-0.440148,0.000000,0.000000,0.282517,-0.576350,0.766815,0.000000,-0.336576,0.686632,0.644402,0.000000,-2149715.412177,4385531.821468,4088254.288057,1],    "boundingVolume": {    "region": [2.026497,0.700206,2.026623,0.700275,0.000000,10.545198]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/1_392766.b3dm"}}}