{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949412,-0.314032,0.000000,0.000000,0.175457,-0.530458,0.829355,0.000000,-0.259896,0.785743,0.561304,0.000000,-1659402.954019,5016867.250291,3559866.450066,1],    "boundingVolume": {    "region": [1.890196,0.595938,1.890271,0.595984,0.000000,8.684912]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/8.b3dm"}}}