{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.857819,-0.513952,0.000000,0.000000,0.263098,-0.439128,0.859038,0.000000,-0.440724,0.735597,0.514451,0.000000,-2813489.478636,4695899.151074,3262164.905536,1],    "boundingVolume": {    "region": [2.110499,0.540305,2.110664,0.540430,0.000000,37.453941]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/14/7_389415.b3dm"}}}