{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950137,-0.311832,0.000000,0.000000,0.173833,-0.529660,0.830206,0.000000,-0.258342,0.787157,0.560038,0.000000,-1649474.323470,5025876.367548,3551818.022084,1],    "boundingVolume": {    "region": [1.887835,0.594366,1.887998,0.594497,0.000000,7.312362]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/5_1378811.b3dm"}}}