{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949395,-0.314084,0.000000,0.000000,0.175104,-0.529294,0.830173,0.000000,-0.260197,0.786511,0.560088,0.000000,-1661318.998107,5021748.347786,3552134.238202,1],    "boundingVolume": {    "region": [1.890207,0.594359,1.890369,0.594625,0.000000,8.440972]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/10_1381867.b3dm"}}}