{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949248,-0.314529,0.000000,0.000000,0.175899,-0.530861,0.829003,0.000000,-0.260196,0.785270,0.561826,0.000000,-1661320.694317,5013861.206454,3563183.189729,1],    "boundingVolume": {    "region": [1.890706,0.596581,1.890807,0.596603,0.000000,9.626413]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/9_1418623.b3dm"}}}