{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950308,-0.311313,0.000000,0.000000,0.173831,-0.530634,0.829585,0.000000,-0.257717,0.786704,0.560963,0.000000,-1645491.548691,5022996.951197,3557694.155897,1],    "boundingVolume": {    "region": [1.887321,0.595490,1.887420,0.595607,0.000000,8.811251]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/11_1455747.b3dm"}}}