{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949862,-0.312671,0.000000,0.000000,0.116086,-0.352658,0.928524,0.000000,-0.290052,0.881148,0.373428,0.000000,-1850855.853351,5622706.625441,2366934.135587,1],    "boundingVolume": {    "region": [1.888731,0.382651,1.888869,0.382752,0.000000,11.188120]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/2/28.b3dm"}}}