{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895724,-0.444610,0.000000,0.000000,0.284188,-0.572533,0.769054,0.000000,-0.340988,0.686965,0.641721,0.000000,-2177873.856711,4387607.807762,4071202.489802,1],    "boundingVolume": {    "region": [2.031474,0.696682,2.031596,0.696800,0.000000,24.399321]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/3_663606.b3dm"}}}