{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948992,-0.315300,0.000000,0.000000,0.175968,-0.529630,0.829775,0.000000,-0.261079,0.785797,0.560679,0.000000,-1666950.287497,5017201.309069,3555894.061816,1],    "boundingVolume": {    "region": [1.891522,0.595111,1.891616,0.595301,0.000000,8.774862]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/29_1073570.b3dm"}}}