{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949975,-0.312327,0.000000,0.000000,0.174495,-0.530744,0.829374,0.000000,-0.258491,0.786227,0.561275,0.000000,-1650431.250973,5019959.445783,3559679.358973,1],    "boundingVolume": {    "region": [1.888352,0.595823,1.888523,0.596028,0.000000,18.488243]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/1_1434049.b3dm"}}}