{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948745,-0.316042,0.000000,0.000000,0.176487,-0.529808,0.829552,0.000000,-0.261622,0.785379,0.561011,0.000000,-1670420.618695,5014540.084437,3558004.543093,1],    "boundingVolume": {    "region": [1.892325,0.595593,1.892377,0.595622,0.000000,8.716311]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/15/5.b3dm"}}}