{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x9addc0aaf1ae7cb241c084214fa29b7b6359185a43c2f47c93295f7a44b4349e",
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}