{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896497,-0.443049,0.000000,0.000000,0.282921,-0.572482,0.769558,0.000000,-0.340016,0.688013,0.641115,0.000000,-2171656.641970,4394288.291911,4067342.630334,1],    "boundingVolume": {    "region": [2.029702,0.695894,2.029884,0.696006,0.000000,42.342939]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/7/4_510715.b3dm"}}}