{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949831,-0.312762,0.000000,0.000000,0.174592,-0.530219,0.829690,0.000000,-0.258951,0.786410,0.560806,0.000000,-1653363.414320,5021119.808815,3556700.918598,1],    "boundingVolume": {    "region": [1.888814,0.595294,1.888978,0.595425,0.000000,8.809494]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/13_1355698.b3dm"}}}