{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xba8ab084299e198df17b0c4a24742d07e0c91a32965047fcf5ef31fc4f42f682",
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    "signer": "0x0BbaE3b1B763858507f1A953DC2f9Ef8343268D5",
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  }
}