{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949488,-0.313803,0.000000,0.000000,0.175438,-0.530829,0.829121,0.000000,-0.259633,0.785582,0.561651,0.000000,-1657723.676691,5015847.702683,3562069.985626,1],    "boundingVolume": {    "region": [1.889943,0.596339,1.890042,0.596421,0.000000,15.300928]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/14_1409862.b3dm"}}}