{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xa12b919404853f9b8f1ff37de145a6000c63d3bb1af68c32b46f67f4601aeaf3",
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}