{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949422,-0.314004,0.000000,0.000000,0.175136,-0.529540,0.830009,0.000000,-0.260080,0.786376,0.560332,0.000000,-1660569.755782,5020891.766713,3553684.655728,1],    "boundingVolume": {    "region": [1.890123,0.594653,1.890285,0.594919,0.000000,8.819933]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/12_1379588.b3dm"}}}