{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949981,-0.312307,0.000000,0.000000,0.174475,-0.530722,0.829393,0.000000,-0.258480,0.786250,0.561247,0.000000,-1650363.848850,5020106.493003,3559504.410657,1],    "boundingVolume": {    "region": [1.888331,0.595790,1.888502,0.595995,0.000000,18.488243]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/1_1433741.b3dm"}}}