{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895911,-0.444233,0.000000,0.000000,0.283924,-0.572608,0.769095,0.000000,-0.340717,0.687146,0.641672,0.000000,-2176143.396983,4388761.813390,4070886.088630,1],    "boundingVolume": {    "region": [2.031060,0.696622,2.031168,0.696729,0.000000,18.356051]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/3_618814.b3dm"}}}