{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xbf0a7be01e8b4abbafa31197bc6cdc3e9c4026dc21390e577c6d100d86c4daf9",
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}