{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x5f8f9d684500694186d9ac4f82a38de67937173d9bf15351a7e45def3f49b3b7",
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  }
}