{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.952002,-0.306092,0.000000,0.000000,0.113983,-0.354507,0.928080,0.000000,-0.283812,0.882707,0.374540,0.000000,-1811042.290218,5632668.934889,2373987.262684,1],    "boundingVolume": {    "region": [1.881801,0.383816,1.881963,0.383984,0.000000,9.783148]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/9_41260.b3dm"}}}