{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950530,-0.310633,0.000000,0.000000,0.173548,-0.531052,0.829376,0.000000,-0.257090,0.786688,0.561272,0.000000,-1641485.759531,5022905.238823,3559660.330181,1],    "boundingVolume": {    "region": [1.886598,0.595865,1.886713,0.595979,0.000000,8.811984]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_1425935.b3dm"}}}