{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948900,-0.315576,0.000000,0.000000,0.115457,-0.347167,0.930669,0.000000,-0.293431,0.882314,0.367995,0.000000,-1872391.649710,5630071.703800,2332468.241645,1],    "boundingVolume": {    "region": [1.891812,0.376825,1.891907,0.376879,0.000000,35.542457]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/3/15_23886.b3dm"}}}