{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949982,-0.312305,0.000000,0.000000,0.174216,-0.529935,0.829951,0.000000,-0.258654,0.786784,0.560418,0.000000,-1651470.283455,5023499.972034,3554235.253516,1],    "boundingVolume": {    "region": [1.888333,0.594825,1.888497,0.594957,0.000000,8.815328]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/9_1456312.b3dm"}}}