{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949888,-0.312589,0.000000,0.000000,0.174720,-0.530935,0.829205,0.000000,-0.258655,0.785993,0.561527,0.000000,-1651479.252729,5018471.545373,3561280.119993,1],    "boundingVolume": {    "region": [1.888629,0.596127,1.888800,0.596332,0.000000,20.275392]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1348261.b3dm"}}}