{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950490,-0.310756,0.000000,0.000000,0.173431,-0.530463,0.829778,0.000000,-0.257317,0.787039,0.560676,0.000000,-1642933.221186,5025134.815180,3555869.306104,1],    "boundingVolume": {    "region": [1.886735,0.595143,1.886834,0.595260,0.000000,8.808242]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/8_1450058.b3dm"}}}