{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943278,-0.332003,0.000000,0.000000,0.186365,-0.529495,0.827589,0.000000,-0.274178,0.778989,0.563917,0.000000,-1750611.284106,4973793.709303,3576473.383977,1],    "boundingVolume": {    "region": [1.909150,0.599073,1.909295,0.599170,0.000000,8.200220]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/13_544422.b3dm"}}}