{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943083,-0.332557,0.000000,0.000000,0.186548,-0.529022,0.827850,0.000000,-0.274723,0.779075,0.563532,0.000000,-1754087.004583,4974339.895058,3574026.427789,1],    "boundingVolume": {    "region": [1.909737,0.598607,1.909882,0.598704,0.000000,8.820447]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/8_657635.b3dm"}}}