{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897460,-0.441096,0.000000,0.000000,0.286257,-0.582423,0.760815,0.000000,-0.334641,0.680865,0.651489,0.000000,-2137424.421922,4348833.466811,4133346.659688,1],    "boundingVolume": {    "region": [2.027540,0.709432,2.027692,0.709660,0.000000,8.155405]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/9_1780114.b3dm"}}}