{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949426,-0.313991,0.000000,0.000000,0.175125,-0.529532,0.830017,0.000000,-0.260072,0.786387,0.560320,0.000000,-1660518.261063,5020961.180987,3553611.138597,1],    "boundingVolume": {    "region": [1.890110,0.594640,1.890272,0.594905,0.000000,8.359848]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/11_1379793.b3dm"}}}