{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950198,-0.311647,0.000000,0.000000,0.174282,-0.531378,0.829014,0.000000,-0.257815,0.786066,0.561811,0.000000,-1646116.477047,5018944.913242,3563083.270319,1],    "boundingVolume": {    "region": [1.887646,0.596480,1.887798,0.596665,0.000000,8.785472]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1398846.b3dm"}}}