{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950765,-0.309914,0.000000,0.000000,0.173402,-0.531967,0.828820,0.000000,-0.256321,0.786350,0.562097,0.000000,-1636581.514091,5020760.110190,3564905.498736,1],    "boundingVolume": {    "region": [1.885816,0.596835,1.885982,0.597004,0.000000,8.819100]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/4_1387959.b3dm"}}}