{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949080,-0.315037,0.000000,0.000000,0.116195,-0.350049,0.929497,0.000000,-0.292557,0.881356,0.370974,0.000000,-1866825.997842,5624001.830296,2351368.424616,1],    "boundingVolume": {    "region": [1.891237,0.380000,1.891346,0.380116,0.000000,71.898350]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/22_2389.b3dm"}}}