{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944010,-0.329918,0.000000,0.000000,0.184417,-0.527682,0.829181,0.000000,-0.272985,0.781107,0.561562,0.000000,-1742978.627636,4987271.530855,3561501.651510,1],    "boundingVolume": {    "region": [1.906965,0.596215,1.907060,0.596330,0.000000,8.741555]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/12_1268711.b3dm"}}}