{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xa9364c7a3523f3fd8676d2af64cec8c39f4afe4e0cc0778535314a0de6b17d1d",
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}