{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943335,-0.331841,0.000000,0.000000,0.186089,-0.529003,0.827965,0.000000,-0.274170,0.779394,0.563362,0.000000,-1750555.664851,4976368.181344,3572941.416733,1],    "boundingVolume": {    "region": [1.908978,0.598400,1.909123,0.598498,0.000000,8.340381]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/6_545428.b3dm"}}}