{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950459,-0.310850,0.000000,0.000000,0.173992,-0.532001,0.828675,0.000000,-0.257049,0.785958,0.562313,0.000000,-1641234.739415,5018261.444359,3566274.966970,1],    "boundingVolume": {    "region": [1.886835,0.597131,1.886932,0.597229,0.000000,8.132210]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1325584.b3dm"}}}