{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.857957,-0.513722,0.000000,0.000000,0.262794,-0.438886,0.859254,0.000000,-0.440639,0.735902,0.514087,0.000000,-2812944.411128,4697841.413028,3259853.242362,1],    "boundingVolume": {    "region": [2.110232,0.539881,2.110396,0.540006,0.000000,21.549566]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/3_330454.b3dm"}}}