{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948835,-0.315772,0.000000,0.000000,0.176036,-0.528956,0.830191,0.000000,-0.261602,0.786064,0.560061,0.000000,-1670285.699823,5018894.215518,3551964.189596,1],    "boundingVolume": {    "region": [1.892018,0.594348,1.892114,0.594571,0.000000,7.203622]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/9_1212879.b3dm"}}}