{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950130,-0.311853,0.000000,0.000000,0.173889,-0.529792,0.830110,0.000000,-0.258330,0.787060,0.560181,0.000000,-1649397.554105,5025255.125422,3552726.446586,1],    "boundingVolume": {    "region": [1.887857,0.594539,1.888021,0.594670,0.000000,8.783335]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/7_1458585.b3dm"}}}