{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x12d09db92b94386ea3704de9887cf819b315a9b281c2d2b1532953de93455645",
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}