{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950015,-0.312205,0.000000,0.000000,0.174637,-0.531406,0.828921,0.000000,-0.258247,0.785826,0.561948,0.000000,-1648879.858367,5017412.236067,3563958.127378,1],    "boundingVolume": {    "region": [1.888240,0.596635,1.888378,0.596844,0.000000,8.764911]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/6/4_1407761.b3dm"}}}