{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950052,-0.312091,0.000000,0.000000,0.174264,-0.530486,0.829588,0.000000,-0.258363,0.786496,0.560957,0.000000,-1649611.947479,5021669.174991,3557660.641808,1],    "boundingVolume": {    "region": [1.888107,0.595476,1.888271,0.595607,0.000000,8.817599]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/14_1455659.b3dm"}}}