{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x3001ffd48b3374b9b6c8b216884af33bb8036f423461f483edb5e83804719363",
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}