{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950022,-0.312182,0.000000,0.000000,0.174252,-0.530277,0.829725,0.000000,-0.258481,0.786601,0.560755,0.000000,-1650367.705338,5022339.802629,3556371.922945,1],    "boundingVolume": {    "region": [1.888204,0.595231,1.888368,0.595362,0.000000,8.821017]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1456791.b3dm"}}}