{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948806,-0.315859,0.000000,0.000000,0.176270,-0.529497,0.829796,0.000000,-0.261548,0.785663,0.560648,0.000000,-1669946.450138,5016346.545901,3555695.504013,1],    "boundingVolume": {    "region": [1.892110,0.595057,1.892206,0.595280,0.000000,8.815350]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/13_1179106.b3dm"}}}