{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.857979,-0.513685,0.000000,0.000000,0.263017,-0.439302,0.858974,0.000000,-0.440461,0.735678,0.514559,0.000000,-2811815.322071,4696421.092735,3262852.286093,1],    "boundingVolume": {    "region": [2.110188,0.540431,2.110352,0.540556,0.000000,30.492566]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/8_397951.b3dm"}}}