{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xb43edd6c42ec24a293adf8d301002b1f04bd4829207ee0302324339c78e4ba41",
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    "signer": "0xa4DC46FCAD6f12C17d6901fADb3826C76aBF186C",
    "userId": "193463567"
  }
}