{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950026,-0.312172,0.000000,0.000000,0.174494,-0.531033,0.829190,0.000000,-0.258305,0.786093,0.561549,0.000000,-1649244.059634,5019106.498101,3561420.185241,1],    "boundingVolume": {    "region": [1.888189,0.596154,1.888360,0.596359,0.000000,16.131921]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/3_1439051.b3dm"}}}