{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949874,-0.312633,0.000000,0.000000,0.174737,-0.530904,0.829222,0.000000,-0.258696,0.785997,0.561502,0.000000,-1651742.712370,5018497.831312,3561121.956393,1],    "boundingVolume": {    "region": [1.888674,0.596097,1.888846,0.596302,0.000000,20.275392]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1436890.b3dm"}}}