{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897569,-0.440874,0.000000,0.000000,0.285907,-0.582075,0.761214,0.000000,-0.334649,0.681307,0.651023,0.000000,-2137470.647257,4351647.432110,4130380.051489,1],    "boundingVolume": {    "region": [2.027293,0.708817,2.027444,0.709045,0.000000,6.679095]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/6_1790878.b3dm"}}}