{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949251,-0.314519,0.000000,0.000000,0.175894,-0.530864,0.829002,0.000000,-0.260188,0.785272,0.561828,0.000000,-1661268.269458,5013873.181689,3563190.730676,1],    "boundingVolume": {    "region": [1.890696,0.596582,1.890797,0.596604,0.000000,10.910273]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/9_1418762.b3dm"}}}