{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950092,-0.311969,0.000000,0.000000,0.174449,-0.531279,0.829042,0.000000,-0.258090,0.786006,0.561768,0.000000,-1647877.543271,5018558.838361,3562814.837898,1],    "boundingVolume": {    "region": [1.887992,0.596417,1.888130,0.596626,0.000000,8.821155]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1398389.b3dm"}}}