{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949080,-0.315035,0.000000,0.000000,0.116121,-0.349827,0.929590,0.000000,-0.292585,0.881446,0.370739,0.000000,-1867004.703088,5624570.129425,2349876.788375,1],    "boundingVolume": {    "region": [1.891236,0.379747,1.891344,0.379862,0.000000,86.206870]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/20_76525.b3dm"}}}