{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x168c7f1b344c674d77d9738cf7fa9bc5bd2488da068a8fa3b6f18b344122bf07",
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  }
}