{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xeba8c5695f9cc68e45995c769e7863f4738b6687c5a6fe5c319027607963d9b1",
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  }
}