{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948741,-0.316055,0.000000,0.000000,0.176382,-0.529467,0.829791,0.000000,-0.261709,0.785604,0.560655,0.000000,-1670977.836442,5015969.982592,3555741.879461,1],    "boundingVolume": {    "region": [1.892317,0.595066,1.892413,0.595289,0.000000,8.818771]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/13_1179238.b3dm"}}}