{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950074,-0.312024,0.000000,0.000000,0.174182,-0.530363,0.829684,0.000000,-0.258337,0.786606,0.560815,0.000000,-1649447.767453,5022368.082139,3556756.162592,1],    "boundingVolume": {    "region": [1.888095,0.595315,1.888142,0.595425,0.000000,8.200501]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/13.b3dm"}}}