{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949893,-0.312575,0.000000,0.000000,0.174705,-0.530916,0.829220,0.000000,-0.258647,0.786012,0.561504,0.000000,-1651432.521681,5018592.078916,3561132.924277,1],    "boundingVolume": {    "region": [1.888613,0.596099,1.888784,0.596304,0.000000,20.649493]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1436974.b3dm"}}}