{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858243,-0.513243,0.000000,0.000000,0.262551,-0.439037,0.859252,0.000000,-0.440226,0.736145,0.514092,0.000000,-2810311.906273,4699395.482263,3259883.605346,1],    "boundingVolume": {    "region": [2.109673,0.539886,2.109838,0.540011,0.000000,34.969366]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/3_128563.b3dm"}}}