{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949473,-0.313850,0.000000,0.000000,0.175462,-0.530816,0.829124,0.000000,-0.259672,0.785572,0.561646,0.000000,-1657975.955186,5015786.830636,3562038.497929,1],    "boundingVolume": {    "region": [1.889992,0.596333,1.890091,0.596415,0.000000,10.479850]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/14_1409579.b3dm"}}}