{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858237,-0.513253,0.000000,0.000000,0.262640,-0.439174,0.859154,0.000000,-0.440185,0.736056,0.514256,0.000000,-2810048.628756,4698826.907236,3260922.990764,1],    "boundingVolume": {    "region": [2.109685,0.540077,2.109850,0.540202,0.000000,108.761311]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/5_361499.b3dm"}}}