{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895906,-0.444244,0.000000,0.000000,0.283913,-0.572566,0.769130,0.000000,-0.340741,0.687173,0.641630,0.000000,-2176296.637425,4388935.964692,4070618.211963,1],    "boundingVolume": {    "region": [2.031072,0.696567,2.031181,0.696675,0.000000,40.258738]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_619664.b3dm"}}}