{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xa976c5fdc1c3ddfdb3e767cf8a695624538dddfbf0852b9425bb5e3551ee8d75",
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}