{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949392,-0.314095,0.000000,0.000000,0.115090,-0.347875,0.930450,0.000000,-0.291984,0.882561,0.368554,0.000000,-1863162.876121,5631653.577138,2336012.956758,1],    "boundingVolume": {    "region": [1.890215,0.377328,1.890383,0.377578,0.000000,20.593603]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/9_14928.b3dm"}}}