{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xe59536269dc62cb19cdfdc080f2d055d96f6cd2d99a9eaea2c326c324b812585",
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    "signer": "0x815B0AC58f1C3545B8a3d1cbF5640F1a317e11a5",
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  }
}