{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858348,-0.513067,0.000000,0.000000,0.262574,-0.439280,0.859120,0.000000,-0.440008,0.736122,0.514313,0.000000,-2808918.093154,4699249.266893,3261285.923098,1],    "boundingVolume": {    "region": [2.109468,0.540143,2.109633,0.540269,0.000000,53.638766]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/5_239279.b3dm"}}}