{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951137,-0.308768,0.000000,0.000000,0.114919,-0.353999,0.928159,0.000000,-0.286318,0.881981,0.374343,0.000000,-1827029.845486,5628033.153733,2372739.704366,1],    "boundingVolume": {    "region": [1.884679,0.383655,1.884709,0.383721,0.000000,4.846037]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/6/32/28.b3dm"}}}