{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950462,-0.310840,0.000000,0.000000,0.173527,-0.530597,0.829672,0.000000,-0.257353,0.786915,0.560833,0.000000,-1643164.513282,5024346.351018,3556869.715565,1],    "boundingVolume": {    "region": [1.886823,0.595333,1.886922,0.595450,0.000000,8.760952]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/9_1345177.b3dm"}}}