{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x3fe6c5bd079a919a4cd78e340feb620c0829e3876139842f1db071ca57d495f8",
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    "signer": "0xFe07bcc2D24C235B22D93D9176cd59383Bb481Ef",
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  }
}