{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950073,-0.312026,0.000000,0.000000,0.174516,-0.531376,0.828965,0.000000,-0.258114,0.785917,0.561882,0.000000,-1648026.444527,5017993.394075,3563537.457362,1],    "boundingVolume": {    "region": [1.888052,0.596555,1.888190,0.596764,0.000000,8.799781]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/4_1399693.b3dm"}}}