{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xb42675953ba51cd9a2e540bbc751d9b9cd98ecf646ce881b9e9bfd6c29ee0351",
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}