{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xfcab7b886f415bd1857816584a2569409c4fe5a470a9d1dd738f4cc936c6546f",
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}