{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x8fcb7ff878d9e21c0b9279de0d5fb80dd72b8be27bbeffaf7dd799257d50ca16",
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    "signer": "0x36897D126bC324C3c32Df0bf68030A63c20c911D",
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  }
}