{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897636,-0.440737,0.000000,0.000000,0.285530,-0.581530,0.761771,0.000000,-0.334792,0.681861,0.650369,0.000000,-2138379.680164,4355171.860450,4126220.712496,1],    "boundingVolume": {    "region": [2.027140,0.707957,2.027292,0.708184,0.000000,18.456261]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/2_1796911.b3dm"}}}