{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951919,-0.306351,0.000000,0.000000,0.113043,-0.351256,0.929430,0.000000,-0.284470,0.883928,0.371144,0.000000,-1815224.908457,5640417.123925,2352443.090321,1],    "boundingVolume": {    "region": [1.882071,0.380180,1.882236,0.380301,0.000000,6.376665]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/19/26_43475.b3dm"}}}