{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948387,-0.317115,0.000000,0.000000,0.116447,-0.348254,0.930139,0.000000,-0.294693,0.881329,0.369345,0.000000,-1880448.661190,5623805.082842,2341030.863481,1],    "boundingVolume": {    "region": [1.893430,0.378265,1.893534,0.378343,0.000000,41.465812]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/18_12991.b3dm"}}}