{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948740,-0.316056,0.000000,0.000000,0.176377,-0.529450,0.829804,0.000000,-0.261714,0.785615,0.560637,0.000000,-1671007.703081,5016042.606470,3555626.172883,1],    "boundingVolume": {    "region": [1.892318,0.595044,1.892414,0.595267,0.000000,8.812225]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/13_1074368.b3dm"}}}