{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944578,-0.328288,0.000000,0.000000,0.183601,-0.528273,0.828987,0.000000,-0.271572,0.781391,0.561851,0.000000,-1733958.738900,4989095.153911,3563337.524703,1],    "boundingVolume": {    "region": [1.905229,0.596584,1.905344,0.596659,0.000000,8.676636]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/9_130321.b3dm"}}}