{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943272,-0.332022,0.000000,0.000000,0.186374,-0.529487,0.827592,0.000000,-0.274195,0.778986,0.563913,0.000000,-1750717.263580,4973778.187960,3576443.295717,1],    "boundingVolume": {    "region": [1.909170,0.599067,1.909315,0.599165,0.000000,8.200220]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/13_544431.b3dm"}}}