{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949451,-0.313916,0.000000,0.000000,0.175143,-0.529728,0.829887,0.000000,-0.259968,0.786284,0.560513,0.000000,-1659857.157520,5020307.022708,3554835.741292,1],    "boundingVolume": {    "region": [1.890030,0.594872,1.890192,0.595138,0.000000,8.748868]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/12_1371642.b3dm"}}}