{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.852965,-0.521969,0.000000,0.000000,0.269286,-0.440047,0.856647,0.000000,-0.446340,0.729378,0.518448,0.000000,-2849384.311359,4656261.471757,3287556.701700,1],    "boundingVolume": {    "region": [2.119908,0.544993,2.120000,0.545077,0.000000,46.592433]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/0_4309.b3dm"}}}