{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x5d64005d5f8c7861754ad3755a76e5513b58ccc46c39ab111418485fa4878d91",
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}