{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950046,-0.312109,0.000000,0.000000,0.174272,-0.530478,0.829592,0.000000,-0.258379,0.786494,0.560952,0.000000,-1649713.963224,5021660.371491,3557625.997325,1],    "boundingVolume": {    "region": [1.888126,0.595470,1.888290,0.595601,0.000000,8.817599]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/14_1455603.b3dm"}}}