{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949468,-0.313863,0.000000,0.000000,0.175347,-0.530443,0.829388,0.000000,-0.259766,0.785820,0.561255,0.000000,-1658573.762650,5017363.759089,3559555.201162,1],    "boundingVolume": {    "region": [1.890053,0.595899,1.890057,0.595905,0.000000,8.064762]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/7.b3dm"}}}