{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x6409862f1816e6fccd5edd68a1d45a754f23a0eaee9d876468cb37a7082fed9d",
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    "signer": "0x53adF2804c4b0caF62EE0Cb2f679c7e108930bC5",
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  }
}