{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944027,-0.329868,0.000000,0.000000,0.184391,-0.527698,0.829177,0.000000,-0.272943,0.781117,0.561568,0.000000,-1742707.012393,4987339.936549,3561538.528297,1],    "boundingVolume": {    "region": [1.906912,0.596222,1.907008,0.596337,0.000000,8.741555]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/12_1266447.b3dm"}}}