{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949624,-0.313392,0.000000,0.000000,0.114354,-0.346511,0.931050,0.000000,-0.291521,0.883352,0.367022,0.000000,-1860198.478970,5636682.120737,2326292.366621,1],    "boundingVolume": {    "region": [1.889475,0.375680,1.889643,0.375930,0.000000,9.093377]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/2_32313.b3dm"}}}