{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898013,-0.439968,0.000000,0.000000,0.284501,-0.580691,0.762795,0.000000,-0.334661,0.683072,0.649165,0.000000,-2137529.083056,4362883.119765,4118559.573142,1],    "boundingVolume": {    "region": [2.026293,0.706375,2.026426,0.706598,0.000000,14.750412]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_1821991.b3dm"}}}