{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948752,-0.316022,0.000000,0.000000,0.176441,-0.529706,0.829627,0.000000,-0.261629,0.785456,0.560900,0.000000,-1670467.955731,5015030.084983,3557296.395332,1],    "boundingVolume": {    "region": [1.892282,0.595361,1.892378,0.595584,0.000000,8.463032]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/14_1071716.b3dm"}}}