{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x39b58f45db19a11c5612a55f8fc1917099da7cc8668572bb8a5923a5185f8d6c",
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}