{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x57fd649db436596914a2a54cead33f5a1372204cebc3158f9f5c4064a528c61d",
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}