{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949225,-0.314598,0.000000,0.000000,0.175439,-0.529344,0.830070,0.000000,-0.260591,0.786271,0.560241,0.000000,-1663835.355951,5020221.843771,3553107.494946,1],    "boundingVolume": {    "region": [1.890783,0.594581,1.890877,0.594772,0.000000,7.958520]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/12/26_1380328.b3dm"}}}