{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949281,-0.314429,0.000000,0.000000,0.175786,-0.530710,0.829123,0.000000,-0.260151,0.785413,0.561647,0.000000,-1661034.745611,5014768.868117,3562046.664521,1],    "boundingVolume": {    "region": [1.890602,0.596335,1.890701,0.596417,0.000000,7.676596]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/14/14_1338111.b3dm"}}}