{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949649,-0.313316,0.000000,0.000000,0.174848,-0.529959,0.829802,0.000000,-0.259444,0.786367,0.560639,0.000000,-1656515.319333,5020840.089077,3555636.225755,1],    "boundingVolume": {    "region": [1.889398,0.595024,1.889560,0.595290,0.000000,8.811738]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/13_1357057.b3dm"}}}