{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x998307723b6f889d7e174e58c33deb9b71f379f7d2b845b68fd8fef4d2fa3fc3",
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}