{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950589,-0.310453,0.000000,0.000000,0.173766,-0.532060,0.828684,0.000000,-0.256724,0.786074,0.562299,0.000000,-1639156.620704,5019003.882215,3566186.532965,1],    "boundingVolume": {    "region": [1.886417,0.597114,1.886515,0.597213,0.000000,8.691090]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/12_1384312.b3dm"}}}