{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948730,-0.316087,0.000000,0.000000,0.176318,-0.529215,0.829966,0.000000,-0.261791,0.785762,0.560396,0.000000,-1671498.502611,5016972.747428,3554093.177899,1],    "boundingVolume": {    "region": [1.892351,0.594752,1.892447,0.594975,0.000000,8.784161]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/11_1213866.b3dm"}}}