{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950802,-0.309798,0.000000,0.000000,0.114097,-0.350176,0.929709,0.000000,-0.287759,0.883160,0.370438,0.000000,-1836207.239685,5635502.391936,2347963.577326,1],    "boundingVolume": {    "region": [1.885773,0.379478,1.885782,0.379482,0.000000,4.790034]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/13/20.b3dm"}}}