{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950764,-0.309917,0.000000,0.000000,0.173359,-0.531830,0.828917,0.000000,-0.256353,0.786442,0.561954,0.000000,-1636788.172857,5021344.728530,3563993.234509,1],    "boundingVolume": {    "region": [1.885819,0.596661,1.885984,0.596830,0.000000,8.777975]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1387243.b3dm"}}}