{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x5b9217858a75a293baf06d38bf8367295dd2a78329a66de26f6144260b00ca2c",
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    "signer": "0x593c2c522858505D4E8dCd51b9eb1C3ec3841aF9",
    "userId": "627652388"
  }
}