{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858239,-0.513251,0.000000,0.000000,0.262642,-0.439179,0.859151,0.000000,-0.440182,0.736055,0.514261,0.000000,-2810026.590319,4698818.208856,3260954.304691,1],    "boundingVolume": {    "region": [2.109683,0.540083,2.109847,0.540208,0.000000,108.761311]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/5_128696.b3dm"}}}