{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948974,-0.315354,0.000000,0.000000,0.175979,-0.529562,0.829816,0.000000,-0.261137,0.785821,0.560618,0.000000,-1667322.031853,5017356.051740,3555504.043066,1],    "boundingVolume": {    "region": [1.891579,0.595037,1.891674,0.595227,0.000000,8.815090]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/29_1074757.b3dm"}}}