{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948726,-0.316098,0.000000,0.000000,0.176403,-0.529448,0.829799,0.000000,-0.261747,0.785600,0.560644,0.000000,-1671220.482219,5015942.414552,3555667.234255,1],    "boundingVolume": {    "region": [1.892362,0.595051,1.892458,0.595275,0.000000,8.816292]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_1179039.b3dm"}}}