{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950574,-0.310499,0.000000,0.000000,0.173630,-0.531557,0.829036,0.000000,-0.256872,0.786398,0.561778,0.000000,-1640097.974334,5021062.930767,3562876.018416,1],    "boundingVolume": {    "region": [1.886465,0.596484,1.886563,0.596583,0.000000,20.032815]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/5_1390444.b3dm"}}}