{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x9436a129107e304ba1fe56015e6dcb37f975eb0201d895073a8f8776da7750a4",
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}