{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858313,-0.513127,0.000000,0.000000,0.262492,-0.439073,0.859252,0.000000,-0.440127,0.736205,0.514092,0.000000,-2809676.821954,4699775.516200,3259883.173082,1],    "boundingVolume": {    "region": [2.109538,0.539886,2.109702,0.540011,0.000000,78.074233]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/3_215944.b3dm"}}}