{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950548,-0.310579,0.000000,0.000000,0.173719,-0.531679,0.828939,0.000000,-0.256908,0.786284,0.561922,0.000000,-1640327.903411,5020335.449705,3563789.041434,1],    "boundingVolume": {    "region": [1.886549,0.596658,1.886647,0.596756,0.000000,12.343590]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/7_1394796.b3dm"}}}