{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950479,-0.310789,0.000000,0.000000,0.173792,-0.531502,0.829037,0.000000,-0.257113,0.786321,0.561776,0.000000,-1641634.765357,5020567.644974,3562866.280093,1],    "boundingVolume": {    "region": [1.886771,0.596482,1.886869,0.596581,0.000000,10.221145]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/5_1330266.b3dm"}}}