{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858235,-0.513257,0.000000,0.000000,0.263064,-0.439878,0.858664,0.000000,-0.439934,0.735630,0.515078,0.000000,-2808456.910826,4696123.252722,3266149.509259,1],    "boundingVolume": {    "region": [2.109689,0.541036,2.109854,0.541162,0.000000,21.749566]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_488186.b3dm"}}}