{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950756,-0.309941,0.000000,0.000000,0.173265,-0.531497,0.829150,0.000000,-0.256446,0.786659,0.561608,0.000000,-1637379.187301,5022723.790718,3561792.663951,1],    "boundingVolume": {    "region": [1.885845,0.596243,1.886010,0.596412,0.000000,8.813511]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/0_1385739.b3dm"}}}