{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950881,-0.309558,0.000000,0.000000,0.173190,-0.531993,0.828848,0.000000,-0.256035,0.786472,0.562056,0.000000,-1634756.866474,5021541.154344,3564644.347228,1],    "boundingVolume": {    "region": [1.885442,0.596785,1.885607,0.596954,0.000000,8.651796]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/4_1323803.b3dm"}}}