{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896932,-0.442168,0.000000,0.000000,0.282237,-0.572515,0.769785,0.000000,-0.339440,0.688551,0.640842,0.000000,-2167978.520245,4397719.097133,4065608.095642,1],    "boundingVolume": {    "region": [2.028719,0.695538,2.028902,0.695651,0.000000,42.492945]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/1_446490.b3dm"}}}