{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949817,-0.312806,0.000000,0.000000,0.114888,-0.348850,0.930110,0.000000,-0.290679,0.882629,0.369420,0.000000,-1854837.594734,5632105.044928,2341506.254239,1],    "boundingVolume": {    "region": [1.888941,0.378384,1.888944,0.378385,0.000000,8.896751]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/13.b3dm"}}}