{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950069,-0.312041,0.000000,0.000000,0.174149,-0.530230,0.829776,0.000000,-0.258381,0.786689,0.560678,0.000000,-1649724.245268,5022896.728695,3555887.162676,1],    "boundingVolume": {    "region": [1.888055,0.595139,1.888219,0.595270,0.000000,8.465057]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/12_1356804.b3dm"}}}