{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950360,-0.311152,0.000000,0.000000,0.174016,-0.531500,0.828991,0.000000,-0.257399,0.786179,0.561844,0.000000,-1643462.025625,5019664.537061,3563293.462507,1],    "boundingVolume": {    "region": [1.887126,0.596520,1.887278,0.596705,0.000000,8.816588]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/3_1399319.b3dm"}}}