{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950566,-0.310522,0.000000,0.000000,0.173637,-0.531536,0.829048,0.000000,-0.256895,0.786404,0.561760,0.000000,-1640242.597195,5021097.293683,3562761.782443,1],    "boundingVolume": {    "region": [1.886489,0.596462,1.886587,0.596561,0.000000,12.750379]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/5_1390034.b3dm"}}}