{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895907,-0.444241,0.000000,0.000000,0.283880,-0.572505,0.769188,0.000000,-0.340765,0.687226,0.641560,0.000000,-2176447.218199,4389272.863775,4070177.392087,1],    "boundingVolume": {    "region": [2.031069,0.696477,2.031178,0.696584,0.000000,57.944838]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/1_618940.b3dm"}}}