{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949746,-0.313021,0.000000,0.000000,0.175092,-0.531252,0.828924,0.000000,-0.258923,0.785607,0.561944,0.000000,-1653194.609899,5016011.847693,3563930.682781,1],    "boundingVolume": {    "region": [1.889083,0.596631,1.889254,0.596837,0.000000,8.685025]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/7/5_1407640.b3dm"}}}