{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949528,-0.313684,0.000000,0.000000,0.175066,-0.529928,0.829776,0.000000,-0.259741,0.786241,0.560678,0.000000,-1658407.959922,5020036.250814,3555887.262058,1],    "boundingVolume": {    "region": [1.889785,0.595072,1.889948,0.595338,0.000000,8.804776]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_1369321.b3dm"}}}