{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x359e7ba75e74d0d93c6e43ec6d88c914a19d6b456610d98b3aa3a9ae456ee7c6",
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    "signer": "0xd058Df91627cEe362CD4c5Cd9669b6bC4DaD6D0D",
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  }
}