{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949680,-0.313221,0.000000,0.000000,0.114394,-0.346840,0.930922,0.000000,-0.291322,0.883282,0.367348,0.000000,-1858928.708612,5636241.643129,2328359.772118,1],    "boundingVolume": {    "region": [1.889295,0.376031,1.889463,0.376280,0.000000,8.814951]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/4_28724.b3dm"}}}