{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950297,-0.311346,0.000000,0.000000,0.174109,-0.531420,0.829023,0.000000,-0.257569,0.786157,0.561797,0.000000,-1644546.509068,5019523.177181,3562994.248943,1],    "boundingVolume": {    "region": [1.887329,0.596463,1.887481,0.596649,0.000000,8.799261]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/3_1398668.b3dm"}}}