{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949085,-0.315019,0.000000,0.000000,0.116097,-0.349776,0.929612,0.000000,-0.292577,0.881472,0.370684,0.000000,-1866956.515163,5624734.268130,2349524.539649,1],    "boundingVolume": {    "region": [1.891219,0.379687,1.891328,0.379803,0.000000,65.249220]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/19_75840.b3dm"}}}