{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949111,-0.314941,0.000000,0.000000,0.115798,-0.348971,0.929952,0.000000,-0.292612,0.881822,0.369822,0.000000,-1867176.075313,5626957.708634,2344056.567781,1],    "boundingVolume": {    "region": [1.891138,0.378782,1.891243,0.378852,0.000000,46.448650]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/4/20_10515.b3dm"}}}