{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898641,-0.438685,0.000000,0.000000,0.283675,-0.581104,0.762789,0.000000,-0.333682,0.683543,0.649173,0.000000,-2131279.184516,4365893.807172,4118607.808417,1],    "boundingVolume": {    "region": [2.024881,0.706459,2.024982,0.706534,0.000000,15.077478]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/5_1818639.b3dm"}}}