{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950785,-0.309851,0.000000,0.000000,0.172991,-0.530826,0.829637,0.000000,-0.256524,0.787149,0.560885,0.000000,-1637867.622995,5025840.708766,3557199.328472,1],    "boundingVolume": {    "region": [1.885775,0.595397,1.885890,0.595511,0.000000,8.179536]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/9_1340938.b3dm"}}}