{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x827fb5f2d5b5e9aa87fca1fa4151e27ac8d4f59f71521a83d7061f3b377960ba",
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    "signer": "0x8a42274408C388c1e10cBA30c85e55DB26A031B8",
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  }
}