{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949536,-0.313658,0.000000,0.000000,0.175056,-0.529947,0.829766,0.000000,-0.259716,0.786239,0.560693,0.000000,-1658251.705464,5020023.214962,3555977.924365,1],    "boundingVolume": {    "region": [1.889758,0.595089,1.889920,0.595355,0.000000,8.450470]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_1369114.b3dm"}}}