{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xa91fc80a36dc232447d4d0a388670c20a3475c9ba201be499d4b9cb096fd1a05",
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    "userId": "229327490"
  }
}