{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.892777,-0.450499,0.000000,0.000000,0.290381,-0.575463,0.764540,0.000000,-0.343461,0.680654,0.647105,0.000000,-2193715.618566,4347401.764741,4105453.537342,1],    "boundingVolume": {    "region": [2.038068,0.703747,2.038172,0.703816,0.000000,16.230168]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/1_2008778.b3dm"}}}