{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897026,-0.441977,0.000000,0.000000,0.287250,-0.582995,0.760003,0.000000,-0.334948,0.679803,0.652439,0.000000,-2139396.722596,4342070.054131,4139391.570087,1],    "boundingVolume": {    "region": [2.028508,0.710746,2.028687,0.710851,0.000000,8.543522]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/3/20_1780768.b3dm"}}}