{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950230,-0.311550,0.000000,0.000000,0.174123,-0.531074,0.829241,0.000000,-0.257807,0.786311,0.561472,0.000000,-1646063.159176,5020497.621896,3560934.255649,1],    "boundingVolume": {    "region": [1.887551,0.596060,1.887690,0.596269,0.000000,8.816515]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/0/2_1431746.b3dm"}}}