{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895731,-0.444596,0.000000,0.000000,0.284150,-0.572480,0.769107,0.000000,-0.341001,0.687018,0.641657,0.000000,-2177957.117846,4387946.467085,4070795.676684,1],    "boundingVolume": {    "region": [2.031459,0.696598,2.031580,0.696716,0.000000,24.370976]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_663622.b3dm"}}}