{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x1189625a8b29c9a3f3fc46611c9f6255eeec47c37db74b56a713fb5e34ae73d9",
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    "signer": "0xba2eAB87A4cA7C99AA09897d70BF1a717DF02Fa9",
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  }
}