{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858245,-0.513240,0.000000,0.000000,0.262558,-0.439052,0.859242,0.000000,-0.440219,0.736139,0.514108,0.000000,-2810261.316423,4699352.451838,3259988.540708,1],    "boundingVolume": {    "region": [2.109669,0.539905,2.109834,0.540031,0.000000,26.725233]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/3_128549.b3dm"}}}