{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x79fafa6448fde19da3f68a6f1529744890b3a139c7b163cf509b33abee02ab60",
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    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
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  }
}