{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949444,-0.313937,0.000000,0.000000,0.114709,-0.346916,0.930855,0.000000,-0.291966,0.882998,0.367520,0.000000,-1863041.933608,5634428.864568,2329452.053053,1],    "boundingVolume": {    "region": [1.890049,0.376216,1.890217,0.376465,0.000000,26.403536]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/4_29046.b3dm"}}}