{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950042,-0.312123,0.000000,0.000000,0.174223,-0.530302,0.829714,0.000000,-0.258429,0.786608,0.560770,0.000000,-1650031.365715,5022381.338258,3556468.677965,1],    "boundingVolume": {    "region": [1.888141,0.595250,1.888305,0.595381,0.000000,8.801127]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_1454486.b3dm"}}}