{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858330,-0.513099,0.000000,0.000000,0.262805,-0.439629,0.858871,0.000000,-0.439906,0.735890,0.514731,0.000000,-2808271.952165,4697776.115775,3263945.716191,1],    "boundingVolume": {    "region": [2.109505,0.540632,2.109670,0.540757,0.000000,7.742033]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/10_274637.b3dm"}}}