{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.857792,-0.513997,0.000000,0.000000,0.263110,-0.439094,0.859051,0.000000,-0.440770,0.735585,0.514428,0.000000,-2813784.202150,4695823.421990,3262020.684932,1],    "boundingVolume": {    "region": [2.110553,0.540278,2.110717,0.540404,0.000000,37.453941]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/14/7_387932.b3dm"}}}