{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950088,-0.311982,0.000000,0.000000,0.174456,-0.531276,0.829042,0.000000,-0.258101,0.786003,0.561768,0.000000,-1647946.862870,5018536.472438,3562814.283602,1],    "boundingVolume": {    "region": [1.888006,0.596417,1.888144,0.596626,0.000000,8.821155]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1398401.b3dm"}}}