{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950286,-0.311378,0.000000,0.000000,0.174120,-0.531391,0.829039,0.000000,-0.257600,0.786163,0.561773,0.000000,-1644749.236484,5019563.630532,3562844.685862,1],    "boundingVolume": {    "region": [1.887363,0.596435,1.887515,0.596620,0.000000,8.775189]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/3_1330312.b3dm"}}}