{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943112,-0.332476,0.000000,0.000000,0.186179,-0.528122,0.828507,0.000000,-0.274876,0.779724,0.562560,0.000000,-1755058.332054,4978459.860718,3567849.283026,1],    "boundingVolume": {    "region": [1.909661,0.597440,1.909786,0.597519,0.000000,8.581497]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/6_1255688.b3dm"}}}