{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xbf7c528e2898caa2f5dad30faaf523f18f89d89e08c09ad3cbafc1cbaf745343",
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  }
}