{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xbdcbc141af7ebd65be8163b0cf736ae5aa07779e808594933d05769c6c203204",
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    "signer": "0x888539CE68FE63D7A7A333a198827e2C53c5A618",
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  }
}