{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948740,-0.316056,0.000000,0.000000,0.176186,-0.528878,0.830209,0.000000,-0.261843,0.786002,0.560034,0.000000,-1671825.863410,5018502.620969,3551794.045451,1],    "boundingVolume": {    "region": [1.892318,0.594316,1.892414,0.594539,0.000000,8.645811]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/9_1093429.b3dm"}}}