{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x5c951fead2b9e33b3d59677fccfaa440dd9ebcaf785e85b6c545b97f035d20d9",
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}