获取rkey

{
  "status": "ok",
  "retcode": 0,
  "data": {
    "rkeys": [
      {
        "type": "private",
        "rkey": "&rkey=CAMSKMa3OFokB_TlZtfChVGCXKG8j3esIm1ChIbPy6_33HgaR5q8J-sjMNA",
        "created_at": 1737354674,
        "ttl": 3420
      },
      {
        "type": "group",
        "rkey": "&rkey=CAMSKMa3OFokB_TlZtfChVGCXKG8j3esIm1ChIbPy6_33Hgatyz4WskcHic",
        "created_at": 1737354674,
        "ttl": 3420
      }
    ]
  },
  "echo": null
}