{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x86ecfe3c9e39359034ea51e4d30fc2637f7f3cde51594eaa381eb41bcd7fa79b",
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    "signer": "0x0e3BAB3126A1305F56466D2DB84b61cAA9Eb5433",
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  }
}