{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949989,-0.312284,0.000000,0.000000,0.174464,-0.530731,0.829390,0.000000,-0.258460,0.786253,0.561252,0.000000,-1650234.597658,5020127.786339,3559534.104487,1],    "boundingVolume": {    "region": [1.888307,0.595795,1.888478,0.596001,0.000000,18.488243]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/1_1433801.b3dm"}}}