{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x286c810090cae63d78ebc39978e17812ee3c7ed0dfa1ea9585e9849bc304be30",
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}