{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949735,-0.313055,0.000000,0.000000,0.115362,-0.349981,0.929626,0.000000,-0.290757,0.882089,0.370647,0.000000,-1855340.985434,5628673.148732,2349294.252360,1],    "boundingVolume": {    "region": [1.889135,0.379615,1.889273,0.379797,0.000000,42.444313]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/8_73390.b3dm"}}}