{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949243,-0.314545,0.000000,0.000000,0.175909,-0.530864,0.828999,0.000000,-0.260207,0.785262,0.561833,0.000000,-1661395.369248,5013807.909643,3563223.097987,1],    "boundingVolume": {    "region": [1.890723,0.596589,1.890824,0.596610,0.000000,9.626413]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/9_1337442.b3dm"}}}