{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x33f7ab62c5351b05b4b754a3830428566ab1ac3e53804174f3b58985d64c6c61",
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}