{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x17db3a0314c1202452239b700f8df3e36e333ce99a14554ddfa3be111565b96b",
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}