{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xdcc8aa664be1af49e3011cadede737c82026f3cbdd88eed8cadacaa6050308c5",
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    "signer": "0xafB494d9b0e3624C0E782759E0C228734942caF3",
    "userId": "582031052"
  }
}