{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xbb3c507c5c7a71c88d1385bf61125ed17c296ac44912285bfc18ef3f654d4a40",
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    "signer": "0x8c6b2c82D967616c9B097BB1B37ca77727ad3EcF",
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  }
}