{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950574,-0.310498,0.000000,0.000000,0.173528,-0.531246,0.829256,0.000000,-0.256940,0.786610,0.561451,0.000000,-1640531.139182,5022406.582697,3560796.174375,1],    "boundingVolume": {    "region": [1.886464,0.596089,1.886562,0.596187,0.000000,8.795990]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/1_1427007.b3dm"}}}