{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xa3fabb404f749e56817e83db7a61095862f4bb74ca053cd1edf124b7f334416d",
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}