{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948392,-0.317101,0.000000,0.000000,0.116330,-0.347921,0.930278,0.000000,-0.294724,0.881467,0.368991,0.000000,-1880648.470215,5624678.866222,2338785.174494,1],    "boundingVolume": {    "region": [1.893415,0.377884,1.893520,0.377962,0.000000,56.137203]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/13_17763.b3dm"}}}