{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951193,-0.308596,0.000000,0.000000,0.115649,-0.356468,0.927122,0.000000,-0.285835,0.881036,0.376926,0.000000,-1823962.416358,5622043.971232,2389130.720419,1],    "boundingVolume": {    "region": [1.884431,0.386424,1.884595,0.386527,0.000000,39.585525]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/11_75021.b3dm"}}}