{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xacd0372aa1411eb6f0e7c28569390fe8c2e84be3527b1654c544ae9b34be9cd5",
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    "signer": "0xfbC3135Af5f4f47cB81853ce055c0BB30a24E4F3",
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  }
}