{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951862,-0.306528,0.000000,0.000000,0.112597,-0.349648,0.930090,0.000000,-0.284839,0.884511,0.369469,0.000000,-1817574.998514,5644109.659062,2341819.521676,1],    "boundingVolume": {    "region": [1.882258,0.378377,1.882422,0.378498,0.000000,18.620205]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/21/11_45798.b3dm"}}}