{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951910,-0.306377,0.000000,0.000000,0.169893,-0.527854,0.832170,0.000000,-0.254430,0.790509,0.557101,0.000000,-1624475.009994,5047220.553474,3533149.740406,1],    "boundingVolume": {    "region": [1.882128,0.590847,1.882235,0.590934,0.000000,8.262994]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/6/31/33_1321687.b3dm"}}}