{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950072,-0.312030,0.000000,0.000000,0.174533,-0.531419,0.828934,0.000000,-0.258107,0.785886,0.561929,0.000000,-1647984.116150,5017796.180512,3563832.731089,1],    "boundingVolume": {    "region": [1.888056,0.596611,1.888195,0.596820,0.000000,8.303231]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/4_1333790.b3dm"}}}