{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949199,-0.314677,0.000000,0.000000,0.115632,-0.348793,0.930039,0.000000,-0.292395,0.881987,0.369600,0.000000,-1865789.546699,5628006.975100,2342650.637074,1],    "boundingVolume": {    "region": [1.890860,0.378544,1.890965,0.378614,0.000000,26.791220]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/1/16_9813.b3dm"}}}