{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949963,-0.312362,0.000000,0.000000,0.174505,-0.530708,0.829396,0.000000,-0.258527,0.786238,0.561244,0.000000,-1650659.398984,5020026.786659,3559479.943451,1],    "boundingVolume": {    "region": [1.888389,0.595785,1.888560,0.595990,0.000000,18.488243]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/1_1433684.b3dm"}}}