{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858828,-0.512264,0.000000,0.000000,0.262078,-0.439383,0.859219,0.000000,-0.439370,0.736619,0.514146,0.000000,-2804845.830009,4702418.869725,3260229.055347,1],    "boundingVolume": {    "region": [2.108533,0.539949,2.108697,0.540075,0.000000,55.438833]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/4_220004.b3dm"}}}