{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xbce763c8283b4733cb8d846cd84fb3f889ab8eec4f4c3980f3aa504dc3104e67",
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    "signer": "0x7A83A37Dcb69154ca9B6dDe71F1E0Bf5ff316862",
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  }
}