{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.893984,-0.448099,0.000000,0.000000,0.288800,-0.576173,0.764604,0.000000,-0.341660,0.681632,0.647029,0.000000,-2182212.510179,4353646.412533,4104969.830225,1],    "boundingVolume": {    "region": [2.035351,0.703600,2.035516,0.703763,0.000000,46.655184]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/3_1991816.b3dm"}}}