{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949376,-0.314141,0.000000,0.000000,0.175151,-0.529328,0.830141,0.000000,-0.260235,0.786465,0.560135,0.000000,-1661561.964987,5021456.213706,3552431.564739,1],    "boundingVolume": {    "region": [1.890267,0.594415,1.890430,0.594681,0.000000,8.817751]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/11_1381423.b3dm"}}}