{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949085,-0.315021,0.000000,0.000000,0.175853,-0.529802,0.829690,0.000000,-0.260821,0.785792,0.560806,0.000000,-1665307.077026,5017172.700311,3556698.844788,1],    "boundingVolume": {    "region": [1.891207,0.595306,1.891344,0.595412,0.000000,7.265807]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/3_1374709.b3dm"}}}