{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950570,-0.310512,0.000000,0.000000,0.173360,-0.530709,0.829635,0.000000,-0.257070,0.786969,0.560888,0.000000,-1641357.266287,5024689.408760,3557217.178758,1],    "boundingVolume": {    "region": [1.886470,0.595400,1.886585,0.595515,0.000000,8.817699]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/9_1451298.b3dm"}}}