{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949371,-0.314157,0.000000,0.000000,0.175230,-0.529537,0.829991,0.000000,-0.260201,0.786317,0.560359,0.000000,-1661343.630387,5020514.390991,3553854.965080,1],    "boundingVolume": {    "region": [1.890284,0.594686,1.890446,0.594952,0.000000,8.789339]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/12_1379422.b3dm"}}}