{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948646,-0.316339,0.000000,0.000000,0.176438,-0.529107,0.830009,0.000000,-0.262014,0.785734,0.560331,0.000000,-1672920.424571,5016794.475004,3553678.575658,1],    "boundingVolume": {    "region": [1.892617,0.594674,1.892712,0.594897,0.000000,8.819805]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/11_1216709.b3dm"}}}