{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950682,-0.310167,0.000000,0.000000,0.173544,-0.531924,0.828818,0.000000,-0.256529,0.786279,0.562101,0.000000,-1637912.688221,5020310.080119,3564927.770139,1],    "boundingVolume": {    "region": [1.886082,0.596839,1.886248,0.597008,0.000000,8.398698]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/4_1326857.b3dm"}}}