{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949427,-0.313989,0.000000,0.000000,0.175202,-0.529769,0.829849,0.000000,-0.260016,0.786227,0.560570,0.000000,-1660166.171865,5019948.253384,3555195.648943,1],    "boundingVolume": {    "region": [1.890106,0.594941,1.890268,0.595206,0.000000,8.817220]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/13_1457315.b3dm"}}}