{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949433,-0.313968,0.000000,0.000000,0.175527,-0.530789,0.829128,0.000000,-0.259771,0.785543,0.561641,0.000000,-1658610.086295,5015600.586008,3562005.751623,1],    "boundingVolume": {    "region": [1.890117,0.596327,1.890216,0.596409,0.000000,13.684404]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/13_1409418.b3dm"}}}