{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950091,-0.311974,0.000000,0.000000,0.173920,-0.529658,0.830189,0.000000,-0.258455,0.787102,0.560063,0.000000,-1650195.466939,5025525.928328,3551977.826713,1],    "boundingVolume": {    "region": [1.887985,0.594397,1.888149,0.594528,0.000000,8.638149]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/6_1378683.b3dm"}}}