{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950233,-0.311540,0.000000,0.000000,0.174230,-0.531423,0.828996,0.000000,-0.257721,0.786078,0.561837,0.000000,-1645517.303815,5019020.063420,3563253.028080,1],    "boundingVolume": {    "region": [1.887534,0.596513,1.887685,0.596698,0.000000,8.804214]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1399238.b3dm"}}}