{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950747,-0.309967,0.000000,0.000000,0.173429,-0.531951,0.828825,0.000000,-0.256366,0.786340,0.562090,0.000000,-1636868.614817,5020698.311870,3564861.019387,1],    "boundingVolume": {    "region": [1.885872,0.596826,1.886037,0.596996,0.000000,8.730055]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/4_1323713.b3dm"}}}