{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950502,-0.310719,0.000000,0.000000,0.173727,-0.531438,0.829092,0.000000,-0.257072,0.786392,0.561695,0.000000,-1641374.906826,5021023.212515,3562347.475782,1],    "boundingVolume": {    "region": [1.886697,0.596384,1.886795,0.596482,0.000000,8.585765]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/4_1331073.b3dm"}}}