{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895917,-0.444222,0.000000,0.000000,0.283875,-0.572524,0.769175,0.000000,-0.340745,0.687222,0.641575,0.000000,-2176319.796293,4389247.616106,4070272.113928,1],    "boundingVolume": {    "region": [2.031048,0.696496,2.031157,0.696604,0.000000,57.944838]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/1_618998.b3dm"}}}