{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950429,-0.310943,0.000000,0.000000,0.172869,-0.528393,0.831214,0.000000,-0.257922,0.788364,0.558533,0.000000,-1646780.555969,5033551.871823,3542250.253880,1],    "boundingVolume": {    "region": [1.886896,0.592516,1.887067,0.592716,0.000000,4.749757]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/18/8_1321371.b3dm"}}}