{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x63d4935cfed8fe369079fbc1476af906c94c1c6d25bcc82798fa9648bc300b06",
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    "signer": "0xcE951D13a2cF562669A11440D304769eE103D57c",
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  }
}