{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.892759,-0.450534,0.000000,0.000000,0.290413,-0.575471,0.764521,0.000000,-0.343479,0.680624,0.647127,0.000000,-2193834.340820,4347210.708145,4105591.477140,1],    "boundingVolume": {    "region": [2.038108,0.703775,2.038212,0.703844,0.000000,13.415079]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/2_2008819.b3dm"}}}