{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898468,-0.439040,0.000000,0.000000,0.283831,-0.580843,0.762930,0.000000,-0.334014,0.683539,0.649007,0.000000,-2133395.835942,4365863.410882,4117551.155041,1],    "boundingVolume": {    "region": [2.025275,0.706241,2.025376,0.706315,0.000000,17.966009]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/2_1817780.b3dm"}}}