{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950204,-0.311628,0.000000,0.000000,0.174269,-0.531375,0.829018,0.000000,-0.257801,0.786075,0.561804,0.000000,-1646028.116894,5019002.099321,3563043.804140,1],    "boundingVolume": {    "region": [1.887627,0.596473,1.887778,0.596658,0.000000,8.785472]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1398772.b3dm"}}}