{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948990,-0.315305,0.000000,0.000000,0.175965,-0.529610,0.829789,0.000000,-0.261088,0.785809,0.560658,0.000000,-1667007.749786,5017277.125868,3555761.043071,1],    "boundingVolume": {    "region": [1.891527,0.595086,1.891622,0.595276,0.000000,8.814698]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/29_1073950.b3dm"}}}