{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949026,-0.315198,0.000000,0.000000,0.175814,-0.529358,0.829981,0.000000,-0.261059,0.786022,0.560373,0.000000,-1666825.320810,5018633.387635,3553944.359352,1],    "boundingVolume": {    "region": [1.891414,0.594740,1.891508,0.594931,0.000000,12.710263]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/19/27_1091632.b3dm"}}}