{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948393,-0.317099,0.000000,0.000000,0.116340,-0.347954,0.930265,0.000000,-0.294718,0.881454,0.369025,0.000000,-1880606.838004,5624601.778325,2339002.567693,1],    "boundingVolume": {    "region": [1.893413,0.377921,1.893517,0.377999,0.000000,56.137203]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/13_17841.b3dm"}}}