{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948752,-0.316022,0.000000,0.000000,0.176346,-0.529420,0.829829,0.000000,-0.261694,0.785649,0.560599,0.000000,-1670880.132787,5016258.075872,3555383.772537,1],    "boundingVolume": {    "region": [1.892283,0.594998,1.892378,0.595221,0.000000,8.808239]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/12_1178653.b3dm"}}}