{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950333,-0.311234,0.000000,0.000000,0.174066,-0.531501,0.828980,0.000000,-0.257463,0.786146,0.561860,0.000000,-1643871.535172,5019455.737136,3563397.992425,1],    "boundingVolume": {    "region": [1.887212,0.596540,1.887364,0.596725,0.000000,8.816588]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/3_1399470.b3dm"}}}